In athletics


The indoor athletics track consists of the track in ring composed of two parallel lines horizontal and two equal radios curves that may have track lengthened. The perimeter nominal ring track will be preferably 200 m.

Inside the ring of the track provides a straight track for speed races and fences, as well as corridors and drop zone jump apron, pole vault, long jump and triple jump and a circle and sector for the launch of weight,see contains ATL PC-1.

The track or circular ring must have a minimum number of 4 streets and a maximum of 6 streets.

The track line must have a minimum of 6 streets and a maximum of 8 streets.

It is recommended that areas pole-vaulting, long jump and triple jump are located on one side of the track inside and jump areas of height and weight launch in the other.


The streets of the track in ring or “ move ” will have all the same width, with a minimum 0.90 m (± 0.01) and a maximum of 1.10 m (± 0.01) including the line width street right in the direction of the race. All the streets are separated by white lines of 5 cm wide.

The interior of the track in ring shall be signposted well with an appropriate material kerb 5 cm in height and 5 cm in width approximately or through a white line of 5 cm wide. The inner edge of the kerb or the line shapes inside the street 1. The inside edge of the kerb line or must be horizontally across the extension of its perimeter with a maximum of 1 / 1000.

In all the competitions in Indoor Court under the direction of the IAAF (International Association of Athletics Federations) is recommended the use of internal kerb.

The length of the perimeter of the track (street length 1) is measured along a line of measuring 30 cm in the face outside of the kerb and when there is no kerb at 20 cm outside the outer edge of the white line.

The length of the remaining streets is performed on an imaginary line located 20 cm from the outer edge of the line above street limit.

The curves of the track should be peraltadas cover due to increased radial acceleration of athletes as running a track curves of 200 m compared with the track of 400 m.

The angle of the track lengthened should be the same in any cross-section of the track and should not exceed fifteenth. The transition from the horizontal line to the curve peraltada will be done with a gradual transition up to 5 m in the line.


The streets of the track line will have all a width 1.22 m (± 0.01 m) separated by white lines of 5 cm wide. The width of every street includes the line limit of the street to the right in the direction of the race.

The incline side of the track will not exceed 1% and the incline within the meaning of the race will not exceed 4% (1:250) in any of her, nor of 1 / 1000 along its entire length.

Before the starting line will be an obstacle-free space of 3 m and after the finish line will be an obstacle-free space of at least 10 m and recommended 15 m. The merits of this space will be an element of braking padded for athletes can stop without injured, which will have a rigid structure that withstands horizontal digs produced by the 6-8 athletes who come to the wall at speeds of up to 8 m / seconds

The total dimensions of the track range from 73 m - 78 m length and 7.32 m (6 streets) - 9.76 m (8 streets) wide.


In order to achieve equal conditions for all athletes, it is desirable standard facilities in the different competitions held.

Experience has shown that Tracks “ circulars ” 200 m most appropriate, are built with curves whose radios oscillate between 15 m and 19 m with a radius of 17,50 m.

To ensure equal opportunities for all athletes, as well as the basis for the comparison of brands, IAAF (International Association of Athletics Federations) recommends that are built the so-called standard Indoor 200m with optimal radio 17,50 m.

Standard Indoor Skating 200 m consists of two semicircles with a radius the kerb of 17,204 m each, together with two straight stretches of 35 m long through two transitions of 10,022 m long-type clotoide, to facilitate the smooth passage of the straights to the curves for athletes.

A clotoide is a line curve whose curvature continuous changes and evenly between the straight and the curve. The unevenness of the track lengthened remains the curve properly.

This constitutes a figure oval so that the area of competition within the track is large enough to accommodate a hint inside straight to speed tests and facilities for evidence of jumps and launches weight. See figuresATL PC-2andATL PC-3.

The construction of the track is determined by the inclination angle of the curves peraltadas (10,0925º) and the average increase the elevation of the transitions that must be continued and uniform.

Changing the height between the straights and clotoides and between these and must be continuous curves. Areas where joined should be gentle. See figuresATL PC-4andATL-PC5.

Geometric characteristics of the track standard Deck are summarized in the following table:

Geometric features
Length of the track in the kerb 198,140 m
Length of the track in the line of measurement of the first street 200 m
R, radio to the kerb 17,204 m
R1, radius of the first street 17,500 m
Length of the kerb side clotoide 10,022 m
Length of the clotoide on the first street 10,108 m
Length of the line 35,000 m
Angle inclination of the track lengthened

The coordinates of the clotoide relating to each lengths 0.50 m in the kerb can be seen in the following table, according to the specified in the axesfigure ATL PC-6:

On the kerb
0.0 0.000 0.000
0.5 0.500 0.000
1.0 1,000 0.001
1.5 1,500 0.003
2.0 2,000 0.008
2.5 2.500 0.015
3.0 3,000 0.026
3.5 3.500 0,041
4.0 3,999 0,062
4.5 4,498 0,088
5.0 4,997 0,121
5.5 5,496 0,161
6.0 5,993 0,209
6.5 6,490 0,265
7.0 6,986 0,331
7.5 7,480 0,407
8.0 7,972 0,494
8.5 8,463 0.592
9.0 8.950 0.702
9.5 9,435 0.825
10.0 9,916 0.961
10,022 9,937 0,967


The measurement of the perimeter of the track (1 street) is performed on an imaginary line located 30 cm in the face outside of the kerb (20 cm if the kerb is replaced by a line painted) measuring the perimeter of the two streets henceforth be performed on an imaginary line located 20 cm from the outer edge of the line limit of the corridor earlier.

All lines are part of the surfaces that delimit except for the “ finish line ” and the strokes of placing fences.

The color of the lines limites aisles, lines of departure and arrival will be white, while marking lines and fences relay will be any other color according to criterion of Real Spanish Federation of Athletics. The marking of lines on synthetic pavement should be perfectly acceded, be permanent, as well as enrasar with the surface.

The complete route can be specified the following details:

3a) line of arrival or target:

The regulatory requirements for this line are: who has only one for all the different races lengths, which is in a straight part of the track and who has the more tranche of that line as possible before the goal. Will Be indicated by a white line of 5 cm wide in straight Angles to lines of the streets.

To help the alignment of equipment Photo Finish and to facilitate the reading of the movie Photo Finish, the intersections of lines of the streets with the finishing line will be painted in black with proper design.

3b) limit Line the aisle or street:

The line limit for each corridor chart parallel to the kerb or line interior, at a distance determined by multiplying the number of streets which separates it from the kerb by the width of the street. All the streets will have the same height with a minimum 0.90 m (± 0.01) and a maximum of 1.10 m (± 0.01) including the line width limit of 5 cm wide located on the right in the direction of the race. For racing 400 m Or less each athlete will have an individual street in the output.

The races to 200 m even be entirely by streets. The careers of over 200 m and under-800 m will initiate in streets until the end of the 2nd curve. In the careers of 800 m for every athlete can be assigned a street individually in the output or can be an exit in groups using preferably the streets 1 and 3.

The careers of more than 800 m balancer without using streets using a starting line curve or exits in group.

3c) lines of output:

The essential prerequisite for all lines of output is that the distance to each and every one of the athletes when taking the shortest path permitted is exactly the same.

Whenever possible output lines and areas of exchange relay races should not be in the most pronounced the curve or in the most steep of track lengthened.

The output will be indicated by a white line of 5 cm wide-angle with lines of the streets in parts straights of the track and along radial line curved parts of the same.

The starting line of the street 1 should be the main straight. Its position will be determined so that the starting line phased in most advanced foreign street (careers 400 / 800 m) is in a position where the height of the street track lengthened not more of 0.80 m (4 track streets) or half of the maximum height of the track lengthened at the top of the curve, whatever the larger.

3d) staggered output lines for the race 200 m:

Set the situations of the starting line in the street 1 and the finishing line, the position of the starting line of the remaining streets should be determined by measuring in every street backwards from the finish line. The measure of every street will take place in exactly the same way as for the street 1 to measure the perimeter of the track.

Set the position of the starting line which crosses the line of measurement to 20 cm outside the internal part of the street, that line runs through the streets at right angles to lines of street, if you are in a straight part of the track.

If you are in one part curve of the track, it will mark along radial line from the center where is drawn curve and you were in one of the areas of transition, over a line from the centre radial theoretical at that point. The starting line will be marked with a width of 5 cm from afar step towards the most next to the target.

3e) output Lines for racing staggered over 200 m until the 800 m including:

Since they allow athletes to leave their respective streets when entering the straight, after having one or two curves by streets, to set the output positions have to be taken into account two factors: first, the normal decalaje allowed, similar to the race 200 m and secondly, the necessary adjustment in places of departure in each street to compensate for the greater distance athletes parade of the external streets to reach the inner position (the "rope") at the end of the line, after crossing the line of street free, for those who are in the streets interiors. These settings can be determined when you bring the "free street line" where they allow athletes to leave their streets. Since output lines are 5 cm width, it is impossible to mark two different output lines, unless the difference exceeds position approximately 7 cm that enables a clear space of 2 cm between output lines. this problem Arises, the solution is to use the starting line more delayed. The problem is not provided in the street 1, because, obviously, there is no adjustment to the "line of the street free. ” Arises in the streets internas (streets 2 and 3), but not in the external (streets 5 and 6) where the adjustment, due to the" free street line ” is greater than 7 cm.

In those external streets where the separation is enough, can be measured a second starting line in front of the first, required by the "adjustment" determined by the "free street line" mapped out. The second line of output can be marked in the same way as the race 200 m.

Is the position of this line of output in the external street that determines the position of all output lines and the finish line on the track. To avoid the athlete of external street exposes the very serious disadvantage exiting in one part of the track empinadamente peraltada, all output lines and, consequently, the finishing line, will be sufficiently behind the first curve, to restrict the slope of the track lengthened to an acceptable level. It is therefore necessary to fix first position of lines of output of 400 and 800 m in external street and then go back in all the other lines of output, culminating in the finishing line.

FigureATL PC-7sample output lines staggered 200 m, 400 m and 800 m from the standard indoor track, according to the following table:

(dimensions in m)
Street 1 Street 2 Street 3 Street 4 Street 5 Street 6
Radius of the line of measurement in projection 17,204 17,500
18,287 19,173 20,059 20,945 21,831
Length of a fourth projection curve 32,035 32,500 33,743 35,139 36,537 37,935 39,331
Elevation length 18,523 18,756 19,380 20,081 20,783 21,485 22,185
Length of the curve peraltada altered not 13,512 13,744 14,363 15,058 15,754 16,450 17,146
Line length of measurement of the track 198,140 200,00 204,970 210,556 216,148 221,740 227,325
Increase the rise in a quarter of a curve - - 0.001 0.003 0.006 0.010 0.015
Position of lines of "free street" - - 0.009 0,041 0,097 0.175 0,278
Position of the staggered output lines in 200 m - - 4,973 10,565 16,166 21,770 27,370
at 400 m - - 4,982 10,606 16,263 21,945 27,648
at 800 m - - 2,495 5,322 8.177 11,055 13,956

3f) lines of "free track" for racing 400 and 800 m:

The line of "free track", where athletes can leave their aisles at the end of a curve or "transition zone" of this curve, can be marked as follows:

A provisional line márquese precisely through the track, in straight Angles to lines of the streets, at the end of the curve.

Márquese point X on that line, to 0.30 m (to 0.20 m in a track without kerb) outside the internal part of the street 1.

Similarly, márquense X2 points, X3, etc. to the streets 2.3, etc. Finally, márquese the point And where the provisional line cuts the line that indicates the outside of the track.

Tiéndase tensamente a rope from that point and so that forms a tangent to the line of measurement to 0.30 m (to 0.20 m. in a track without kerb) outside the internal part of the street 1 beyond the end of the line. Márquese this contact point of the tangent Z.

With point Z as centre and with a radius of ZX1, trácese an arc exactly through the track from inside the street 1 until the street outside. Márquense the points where this arc intersects with the line of measurement in the street AND2, 3, etc. Mídase compensation X2Y2, X3Y3, etc. in each of the streets.

With this arc as edge closer to the exit, márquese a line of 5 cm width. This is the "change line" or "free track". The extremes of this line must be indicated with banners outside the track.

For the exits in group in the 800 m the brand of free street is located at the intersection of the "change line" or "free track" line and the interior of the street in which begins his career the group outside.

To help participants to identify the line of free street, can be placed small or cones prisms basis 5 cm x 5 cm and a maximum height of 15 cm and the same color as the of the line of free street intersections every street line and the street free.

FigureATL PC-8shows the line of “ free ” street in a Standard Deck Track according to the table on page 8.

3g) exit curved Lines for racing over 800 m:

The races of distances greater than 800 m will start from a curved line. The principles for the jalonamiento and tagging exit curved lines are very similar to those of the "line of change ” or free street", in races that are partly by streets.

The length of the race is measured first backwards from the finish line along the line of measurement (0.30 m OR 0.20 m abroad from inside the track, depending on whether or not it kerb). Márquese this point to in the line of measurement.

This is the point where you will start the edge of behind the starting line.

Strongly colóquense a series of nails along the line of measurement to 0.30 m. (0.20 m for a track without kerb) after the point of departure of the street 1. The nails should not be separated over 0.30 m.

Make sure the far enough from a piece of string to the surface of the track just beyond the final nail. This Last nail has to be beyond the point where the string form a tangent to the line of measurement when checked the outside of the starting line.

To build the string, along the surface of the track, against the nails B, C, D, etc., tírese thereof cumshots márquese tense and in the same position the point A. Using this position in the string and tense cumshots, please describe the back of the starting line.

The stretch from the point To calle 1 to 0.30 m from the kerb OR to 0.20 m, depending on the case, until the kerb or inside edge of the track, it will mark at right angles with the line of the street, if the output matches in straight and radial if located in curve.

3h) relay races:

In the relay race 4 x 200 m, the whole first replacement and the first curve of the second balancer by corridors or individual streets.

There should be after the curve a line of 5 cm width "change line" or "free street" marked distinctly through all the streets, indicating the place where every athlete may get out of its streets and run on "free track".

In the relay race 4 x 400m, individual streets are borne by the first two curves. Therefore, use the same "change line" or "free track", exit offset lines, etc. for the race individually 400 m.

In the relay race 4 x 800 m., it will run for individual streets the first curve. Therefore, use the same "change line" or "free track", exit offset lines, etc. for the race individually 800 m.

3i) fences races:

Fences races will be over a distance of 50 m or 60 m on the track straight, the fences have the same characteristics of outdoors. The layout of the fences for racing shown in the following table:

(Artº 216 Regulation Athletics)
Name Men Women
Length of the race (m) 50 / 60 50 / 60
Height of the fences (m) at 1,067 0,840
Number of fences 4 / 5 4 / 5
Starting line at first fence (m) 13.72 13,00
Separation between fences (m) 9.14 8.50
Last fence to finish line (m) 9,72 8.86 / 13.00 11.50 /


Dimensional verification required for obtaining the certificate of Approval and that it can hold any kind of competitions and official records, implies that are implemented in the outer edge of the internal kerb track the following values of the 29 Control points.See contains ATL PC-9:

• verification of the distance between centres of the circular arcs with a maximum deviation ± 0.005 m (44,994 m ± 0.005 m on standard track): 1 measurement.

• verification of the distance between the two lines at the end of each, with a maximum deviation ± 0.005 m (34,894 m ± 0.005 m on standard track): 2 measurements.

• verification of the length of each of the two lines with a maximum deviation ± 0.005 m (35,000 m ± 0.005 m on standard track): 2 measurements.

• alignment of the kerb in the area of the two lines with a deviation not exceeding 0.01 m: 2 measurements.

• verification of the length of the kerb side clotoide with a maximum deviation ± 0.005 m for each of the four (10,022 m ± 0.005 m on standard track): 4 measurements.

• verification of radio to 9 points of each of the arches of the two circles, including the kerb with a maximum deviation ± 0.005 m (17,204 m ± 0.005 m on standard track, the Arc Length must be 44,026 m): 18 measurements.

The total length of the Standard Deck Track of 200 m along the outer edge of the kerb: (2 x 35) + (2 x 44,026) +
(4 x 10,022) = 198,140 m.

It will carry out the measurement of the 29 control points and reported measurements.

The sum of the average deviations not exceed + 0.04 m, or shorter than 0,00 m (200m + 0.04 m / -0,00 m)

For the accuracy dimensions of the Standard Deck Track will mark the position of the main control points through permanent anti-corrosive pegs taladradas or tubes embedded to level with the floor of the room to allow the personnel responsible for the installation to mount the track with the required dimensional accuracy.

As a rule, the measurement of control can be applied to all other tracks covered with individual dimensions logically using basic dimensions of the track given (known).


To facilitate the development of competition and the safety of athletes will be reserved minimum bands of free spaces of obstacles of 1.50 m minimum width in the sides of the track. For security reasons, the outer edges of the curves peraltadas will be fitted with a protective railing since the beginning of the curve of transition and along the curve until the beginning of the next line. if the inner edge of the track is a vertical drop exceeding 0.10 m. should take protective measures.


The area to jump apron must have the same characteristics as the outdoors. The minimum length of career sector will boost 15,00 m. in World championships, Olympic Games, drinks of the world Championships of Area, Geographical Area or Zone, the minimum 20 m. The sector of momentum where conditions permit will have a minimum length of 25 m

The area of jumps will have to be balanced, with a maximum total outstanding (ascending OR descending) of 1for 250 (0.4%). The whipped area has to be horizontal. The basis on which is settled the area of jumps will be solid and if it is a bunk construction (or boards mounted floorings boarding joists) without any special section of docks.

The sector career momentum must be in the same way as the whipped area, however, the regulation allows the athlete started his career of approximation part peraltada of the track "circular" whenever the last 5 meters of his career are in the area levelled, this should be taken into account when designing the route of the interior of the track.


The area to the pole vault must have the same characteristics as the outdoors, however, the regulations allow the athlete career starts its decision-momentum in the part of the track peraltada "circular" whenever the last 40 meters are in a hallway leveled.

The basis on which is placed the surface of the corridor is solid and if it is a bunk construction (or boards mounted floorings boarding joists) without any special section of docks.


The best location for the corridors of length and triple jump is on the side of the runway interior of careers, with the corridor pole-vaulting adjacent and parallel to it. The corridors should build in ways contrary to each other to allow both corridors can be used simultaneously, if so required.

The area to the long jump and triple jump must have the same characteristics as the outdoors, however the regulation allows the athlete career starts its decision-momentum in the part of the track peraltada "circular" whenever the last 40 m are in a hallway leveled.

The basis on which is placed the surface of the corridor is solid and if it is a bunk construction (or boards mounted floorings boarding joists) without any special section of docks.

Whipped table for the long jump should be not less than 3 m from the nearest edge of the area of fall.

The drop zone should measuring 2.75 m wide and a minimum of 7 m long and a minimum of 0.30 m depth.


The area for the launch of weight should be preferably located with a sense of launching outwards from the center of the interior of the ring and parallel to the track straight, better to separate the launch of weight of other evidence.

According to the Rules of lines sector can continue to drop a line radial from the center of the circle of weight including a complete 34,92º sector, or may be parallel between them, the minimum distance between them of 9 meters. So the drop sector is usually a combination of a triangle (a portion of the sector of 34,92º rift sawn route from the center of the circle of weight) and a rectangle with a minimun among its sides of 9 m and its far side at least 0.50 m beyond the existing world record for men and women.See contains ATL PC-10.

The surface of the sector of drop is composed of a proper material, in which the weight recorded leaves a trace but to minimize any pot.

Drop sector will be enclosed with a wall of detention to fund and on both sides, so close the circle as necessary for safety of athletes and judges, to be able to stop the weight either in your flight or by their boat on the surface of fall.

The barrier of detention to fund should be at least $0.50 m beyond the existing world record of weight, men or women.
The barrier of detention can be similar to the launches cage hammer outdoors, with less height and with a metal mesh or plates (sheets) of plastic resistant enough to stop a weight, but allow spectators see proof smoothly.


The pavement marina of the track circular, the line of corridors of jumps and whipped zones will have the same characteristics and a uniform elasticity in all its parts, as far as technically possible. The synthetic pavement will allow the usage of nails 6 mm in the shoes of athletes. The pavement marina will comply with the requirements of the athletics tracks outside.


The sports equipment will be as indicated in the regulatory rules NIDE athletics and will be authorised by the Spanish Federation Real athletics.


The Rules cover athletics track will be a compound completely closed, covered with lighting, heating and ventilation that gives satisfactory conditions for competition.

The building that houses the track deck must be integrated into the urban development and shall conform to the requirements of local and national design, construction and security. There may be basically two cases for the design of indoor skating athletics:

- Construction of the track in an existing building with restrictive dimensions that enables an acceptable design of the track (no less than radio 15,00 m or more 19.00 m) but not Optimal.

- Design of the track integrated into a new sports facility, where the size of the building could be adapted to the size of the track standard deck.

The building that houses the track can be a multipurpose facility, also designed to adapt to the needs of other sports (ball games, gymnastics, hockey, cycling, etc.), cultural events, presentations and exhibitions. Inside the circular track can be expected to use for other sports (Basketball, handball, fútbol-sala, volleyball, tennis, gymnastics, hockey-patines, hockeyhielo, etc.) can Also be equipped with a hint of cycling 200 m Or 250 m length and width of 6 m Or 7 m.


The design of the track depends on the uses to which goes the room. In a room dedicated Solely to the athletics, the track "circular" can be installed permanently. For a multi-purpose room that is used to other sports and non-sports events, can be used other types of hint as demountable tracks OR tracks with hydraulic or mechanical systems to achieve the camber.

13th) permanent Track:

This type of track is installed in a forum dedicated solely to the athletics. A permanent track has the advantage that you can place on a solid basis so that you have a uniform elasticity in all its parts. The firm is normally of concrete.

Although a permanent installation offers the best facilities for athletics meetings and training, can have economic disadvantage because of their lack of flexibility in use. If required flexibility of use, you must install a hint permanent with scalable altitude curves or a hint laptop.

13b) with permanent Track curves scalable height:

The disadvantages of a permanent track can be overcome, in part, with a track that is a combination of portions of fixed and mobile tracks. This is a track at which the straights and curves are installed to level with the ground or marked on the ground. However, if required for the competition or training, the curves can be high up required. If you install a system of mechanical and hydraulic jacks, this procedure lasts only a few minutes.

Another benefit of hydraulic system or mechanical is that the entire curve may be raised as a unit simple ensuring that the synthetic surface of the track is uniform. During the installation, units that are placed between boards have flat panels ranging from 0 to a few centimetres outwards. By placing the material of the surface, boards should be filled with ensuring the polyurethane without movement folds or bumps (in the track lengthened) and without cracks (in the flat part)

The level of the track lengthened along the curve of transition will be determined for each section and programmed to an elevation synchronized with switches of control. The lifting of the cat for the placement of the curve peraltada is done using brakes controlled electronically.

The main advantages of a track permanent with scalable altitude curves are the flexibility of use for other events and speed of assembly and disassembly.

13c.) portable Track:

A hint laptop mounts prefabricated elements that after dismantled, stored until there are used.

There are two types of different elements: the elements of soil (flat) with synthetic upper layer and elements of support peraltadas curves.

The elements of the floor panels are made of wood boarding joists structures sheets coated with plywood or parquet as support layer synthetic surface. The edges of the panels will be made with shpuntom design tab slot and to facilitate the union.

The frame of the support structure can be made of wood or metal, preferably with stackable design.

Mounting the portable track is carried out in the following phases:

• reverse the galleries retractile ones (yes any)
• identification of the brands of layout of the track
• placement of a mat or protective tarp over the area of the track
• installation of the structures of support for the curves peraltadas
• assembly of the track "circular" 200 m.
• assembly of the track line inside of 60 m.
• installation of corridors and drop zones for testing jumps
• installation for the launch of weight
• installation of a safety railing on the outside of the curves and a wall padding for braking speed corridors.

The track should be carefully designed to make your elasticity uniform throughout her through the use of resistant and rigid panels in its construction, which adds some difficulty in the assembly and disassembly, transport and storage.

The track laptop has many advantages in a multi-purpose facility suitable for a wide range of uses. With a careful design, you can get a hint laptop of high quality that meets all the requirements of athletes high level.

The disadvantages of the track laptop concern the assembly and disassembly. These operations pose the anticipation of a mount Time and labour for an intense work. The boards are sources of bugs, repeated assemblies and desmontajes may decrease the useful life of the track. Storage space required is high. The space required for storage should be seen since the beginning of the design of the track, preparing a storage scheme based on the sequence assembly of the track and the rest of equipment to use. For transport and handling of the stored material and components of the track should be available mechanical systems lifting and transportation for both vertical and horizontal displacement.


The height between the pavement and the nearest obstacle (underside of the roof, hang beam, luminaire, air conditioning duct) should be entirely free and will be such that will allow for the correct development of all the evidence provided. It is recommended that the minimum free height is 10 m, however when the building that houses the track is conceived as a multipurpose facility, designed to adapt to the practice of other sports OR even other uses, should consider this aspect to set the minimum free height (e.g.: 12.5 m for volleyball)