Sprint (running)

Sprint (running)
200 metres sprint

Sprints are short running events in athletics and track and field. Races over short distances are among the oldest running competitions. The first 13 editions of the Ancient Olympic Games featured only one event—the stadion race, which was a race from one end of the stadium to the other.[1] There are three sprinting events which are currently held at the Summer Olympics and outdoor World Championships: the 100 metres, 200 metres, and 400 metres. These events have their roots in races of imperial measurements which were later altered to metric: the 100 m evolved from the 100 yard dash,[2] the 200 m distances came from the furlong (or 1/8 of a mile),[3] and the 400 m was the successor to the 440 yard dash or quarter-mile race.[4]

At the professional level, sprinters begin the race by assuming a crouching position in the starting blocks before leaning forward and gradually moving into an upright position as the race progresses and momentum is gained. The set position differs depending on the start. Body alignment is of key importance in producing the optimal amount of force. Ideally the athlete should begin in a 4-point stance and push off of both legs for the most force production.[5] Athletes remain in the same lane on the running track throughout all sprinting events,[4] with the sole exception of the 400 m indoors. Races up to 100 m are largely focused upon acceleration to an athlete's maximum speed.[5] All sprints beyond this distance increasingly incorporate an element of endurance.[6] Human physiology dictates that a runner's near-top speed cannot be maintained for more than 30–35 seconds due to the accumulation of lactic acid in muscles.[4]

The 60 metres is a common indoor event and it is an indoor world championship event. Other less-common events include the 50 metres, 55 metres, 300 metres and 500 metres which are used in some high school and collegiate competitions in the United States. The 150 metres, though rarely competed, has a star-studded history: Pietro Mennea set a world best in 1983,[7] Olympic champions Michael Johnson and Donovan Bailey went head-to-head over the distance in 1997,[8] and Usain Bolt improved Mennea's record in 2009.[7]


Biological factors for runners

Biological factors that determine a sprinter's potential include:


Common distances

60 m

Start of the women's 60 m at the 2010 World Indoor Championships
  • The 60 metres is normally run indoors, on a straight section of an indoor athletic track. Since races at this distance can last around six or seven seconds, having good reflexes and thus getting off to a quick start is more vital in this race than any other.
  • This is roughly the distance required for a human to reach maximum speed and can be run with one breath. It is popular for training and testing in other sports (e.g., speed testing for American football, although 40 yards is more common there).
  • The world record in this event is held by American sprinter Maurice Greene with a time of 6.39 seconds.
  • 60-metres is used as an outdoor distance by younger athletes when starting sprint racing.

Note: Indoor distances are less standardized as many facilities run shorter or occasionally longer distances depending on available space. 60m is the championship distance.

100 m

  • The 100 metres sprint takes place on one length of the home straight of a standard outdoor 400 m track. Often, the world-record holder in this race is considered "the world's fastest man/woman." The current world record of 9.58 seconds is held by Usain Bolt of Jamaica and was set on 16 August 2009, at the 2009 World Athletics Championships. The women's world record is 10.49 seconds and was set by Florence Griffith-Joyner.
  • World class male sprinters (sub 10.10s) needs 41 to 50 strides to cover the whole 100 metres distances, and not necessarily 45 strides [10].

200 m

Athletes turning the first bend of the 200 m
  • The 200 metres begins on the curve of a standard track (where the runners are staggered in their starting position, to ensure that they all run the same distance), and ends on the home straight. The ability to "run a good bend" is key at the distance, as a well conditioned runner will be able to run 200 m in an average speed higher than their 100 m speed.
  • Indoors, the race is run as one lap of the track, with only slightly slower times than outdoors.
  • A slightly shorter race (but run on a straight track), the stadion, was the first recorded event at the Ancient Olympics and the oldest known formal sports event in history.
  • The world record in this event is 19.19 seconds, held by Usain Bolt and was set on 20 August 2009, at the 2009 World Athletics Championships.

400 m

  • The 400 metres is one lap around the track on the inside lane. Runners are staggered in their starting positions to ensure that everyone runs the same distance. While this event is a sprint (according to some), there is more scope to use tactics in the race; the fact that 400 m times are considerably more than four times a typical 100 m time demonstrates this.
  • The world record is currently held by Michael Johnson with a time of 43.18 seconds.
  • The 4x400 m relay is often held at track and field meetings, and is by tradition the final event at major championships.
  • Common tactics include exploding out of the blocks and continuing to run hard through the curve, relaxing in the middle 200 metres and kicking hard on the homestretch.

4 x 100 m relay

  • The 4×100 metres relay is another prestigious event, with an average speed that is quicker than the 100 m, as the runners can start moving before they receive the baton. The world record in this event is 37.04 seconds, held by the Jamaican team as set 05 September 2011 at the IAAF World Championships in Daegu, South Korea.

Uncommon distances

150 m

150 metres final at the Manchester City Games 2009
  • This informal distance can be used to work on a 100 m runner's stamina, or a 200 m runner's speed, and has been used as an exhibition distance. The distance was used in a race between 1996 Olympic champions, the 100 m gold medalist Donovan Bailey (Canada) and 200 m gold medalist Michael Johnson (USA). It was to decide who of the two, was really the 'fastest man on earth' (see Bailey-Johnson 150-metre race).
  • The informal distance was used for an exhibition race during the Manchester Great CityGames in as part of the 2009 Great Manchester Run (UK). Stars included Triple Olympic Champion Usain Bolt (Jamaica) alongside Ivory Williams (USA), Simeon Williamson (UK) and other international track stars. The female race included 400 m Olympic Champion, Christine Ohuruogu of Great Britain alongside Debbie Ferguson-McKenzie (Bahamas). Bolt ran the distance in a record time of 14.35 seconds.[11][12]

176 m

  • This is the length of the straight at the Ancient Olympic Stadium. It was original short sprint length at the Ancient Olympia distance of 1 stadion.

300 m

  • Another informal distance, which could be used to aid a 200 m runner's stamina, or a 400 m runner's speed. As of 27 May 2010 the world's best for this event was 30.85 seconds, set by Michael Johnson[13] in Pretoria in 2000.[14] The women's record is 35.30 seconds, set by Ana Guevara in Mexico City. Junior girls in several countries run this distance instead of the 400 metres.

500 m

  • More common than 300 m and 150 m, because this is half a kilometre. This could aid 400 m runners in their stamina, or help a middle-distance runner to gain speed. The borderline distance between sprints and middle distance. This is usually run indoor by high school athletes and collegiate athletes.

600 yards

  • Similar to both 500 metres and 600 metres, this was a popular distance, particularly indoors, when imperial distances were common. In 1882, American Lon Myers set what was then a world record at 600 yards, running it in 1:11.4.[15] The event was a common event for most American students, because it was one of the standardized test events as part of the President's Award on Physical Fitness.[16] In the early 1970s, Martin McGrady made a reputation, set world records and drew a lot of fans to the arenas to watch him race elite Olympians at this odd distance.

600 m

  • This race is a CIS (Canadian Universities) indoor-only event and run at all Canadian indoor track and field races because it is a recognized event at the Canadian University Championships. It is also run at some United States high school indoor competitions. It is often run by 400 m runners looking to build endurance, or 800 m runners looking to build speed. It is a demanding race, with many athletes running at a pace just below their 400 m pace. The 600 m is sometimes considered a middle distance event.


The start

Jeremy Wariner beginning a race from the starting blocks

Starting blocks are used for all competition sprint (up to and including 400 m) and relay events (first leg only, up to 4x400 m).[17] The starting blocks consist of two adjustable footplates attached to a rigid frame. Races commence with the firing of the starter's gun.[17] The starting commands are "On your marks" and "Set".[17] Once all athletes are in the set position, the starter's gun is fired, officially starting the race. For the 100 m, all competitors are lined up side-by-side. For the 200 m, 300 m and 400 m, which involve curves, runners are staggered for the start.

In the rare event that there are technical issues with a start, a green card is shown to all the athletes. The green card carries no penalty. If an athlete is unhappy with track conditions after the "on your marks" command is given, the athlete must raise a hand before the "set" command and provide the Start referee with a reason. It is then up to the Start referee to decide if the reason is valid. In the event that the Start referee deems the reason invalid, a yellow card (warning) is issued to that particular athlete. In the event that the athlete is already on a warning the athlete is disqualified.

False starts

"An athlete, after assuming a full and final set position, shall not commence his(/her) starting motion until after receiving the report of the gun, or approved starting apparatus. If, in the judgement of the Starter or Recallers, he does so any earlier, it shall be deemed a false start."[17]

The 100 m Olympic Gold and Silver medallist, Linford Christie of Great Britain famously had frequent false starts that were marginally below the legal reaction time of 0.1 seconds. Christie and his coach, Ron Roddan, both claimed that the false starts were due to Christie's exceptional reaction times being under the legal time. His frequent false starting eventually led to his disqualification from the 1996 Summer Olympics 100 m final in Atlanta, Georgia, USA due to a second false start by Christie.


Sprint lanes as seen from the 100 m starting point

For all Olympic sprint events, runners must remain within their pre-assigned lanes, which measure 1.22 metres (4 feet) wide, from start to finish.[18] The lanes can be numbered 1 through normally 8 or 9 rarely 10, starting with the inside lane. Any athlete who runs outside the assigned lane to gain an advantage is subject to disqualification. If the athlete is forced to run outside of his or her lane by another person, and no material advantage is gained, there will be no disqualification. Also, a runner who strays from his or her lane in the straightaway, or crosses the outer line of his or her lane on the bend, and gains no advantage by it, will not be disqualified as long as no other runner is obstructed.

The finish

A photo finish from the 1987 East German athletics championships

The first athlete whose torso reaches the vertical plane of the closest edge of the finish line is the winner. To ensure that the sprinter's torso triggers the timing impulse at the finish line rather than an arm, foot, or other body part, a double Photocell is commonly used. Times are only recorded by an electronic timing system when both of these Photocells are simultaneously blocked. Photo finish systems are also used at some track and field events.

See also

  • Sprint cycling


  1. ^ Instone, Stephen (15 November 2009). The Olympics: Ancient versus Modern. BBC. Retrieved on 23 March 2010.
  2. ^ 100 m – Introduction. IAAF. Retrieved on 26 March 2010.
  3. ^ 200 m Introduction. IAAF. Retrieved on 26 March 2010.
  4. ^ a b c 400 m Introduction. IAAF. Retrieved on 26 March 2010.
  5. ^ a b 100 m – For the Expert. IAAF. Retrieved on 26 March 2010.
  6. ^ 200 m For the Expert. IAAF. Retrieved on 26 March 2010.
  7. ^ a b Superb Bolt storms to 150m record . BBC Sport (17 May 2009). Retrieved on 26 March 2010.
  8. ^ Tucker, Ross (26 June 2008). Who is the fastest man in the world?. The Science of Sport. Retrieved on 26 March 2010.
  9. ^ Quinn, Elizabeth (2007-10-30). Fast and Slow Twitch Muscle Fibers About.com. Retrieved on 2009-02-01.
  10. ^ Jad Adrian (6 March 2011). Complete Sprinting Technique. Retrieved on 30 April 2011
  11. ^ Bolt runs 14.35 sec for 150m; covers 50m-150m in 8.70 sec!. IAAF (2009-05-17). Retrieved on 2009-05-17.
  12. ^ New World Best over 150m for Usain Bolt from Universal Sports on YouTube
  13. ^ http://news.bbc.co.uk/sport1/hi/athletics/8615573.stm
  14. ^ http://www.alltime-athletics.com/m_300ok.htm All-time men's best 300 m
  15. ^ Joe D. Willis and Richard G. Wettan (November 2, 1975). "L. E. Myers, “World’s Greatest Runner”". Journal of Sport History. http://www.la84foundation.org/SportsLibrary/JSH/JSH1975/JSH0202/jsh0202b.pdf. Retrieved October 26, 2011. 
  16. ^ http://www.fitness.gov/50thanniversary/toolkit-firstfiftyyears.htm
  17. ^ a b c d Competition Rules 2008, IAAF
  18. ^ 2009 USATF Competition Rules, Rule 160(1)

External links

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