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2. Track spikes - Wikipedia

   en.wikipedia.org/wiki/Track_spikes

   There is considerable variation among track shoes depending on their intended use within the sport of track and field. Sprint spikes generally have a very stiff spike plate with the greatest number of spike wells. The taper is highest and most rigid in sprint spikes, maximizing the efficiency of energy transfer with each stride.

3. List of world records in athletics - Wikipedia

   en.wikipedia.org/wiki/List_of_world_records_in...

   The world best time for a "football 40" is 4.17 by Deion Sanders, while the extrapolated best for an Olympic-level athlete (including reacting to a starting gun) is 4.24 by Maurice Greene at the 2001 World Championships in Athletics. [252] [253] Under conventional football timing on a turf field in 2017, Christian Coleman reportedly ran a 4.12 ...

4. Shelly-Ann Fraser-Pryce - Wikipedia

   en.wikipedia.org/wiki/Shelly-Ann_Fraser-Pryce

   Shelly-Ann Fraser-Pryce (née Fraser; born December 27, 1986) is a Jamaican track and field sprinter competing in the 60 metres, 100 m and 200 m. She is widely regarded as one of the greatest sprinters of all time. One of the most enduring track athletes in history, Fraser-Pryce's career spans over a decade and a half, from the late 2000s to ...

5. 2024 World Athletics Continental Tour - Wikipedia

   en.wikipedia.org/wiki/2024_World_Athletics...

   The 2024 World Athletics Continental Tour, also known as the 2024 Continental Tour, is the 5th season of the annual series of outdoor track and field meetings organised by World Athletics. The Tour forms the second tier of international one-day meetings after the 2024 Diamond League .

6. Melissa Jefferson (sprinter) - Wikipedia

   en.wikipedia.org/wiki/Melissa_Jefferson_(sprinter)

   [4] [5] [6] She was part of the 2022 US gold medal winning 4 x 100 metres relay team. [7] She was also a member of the US team which won the 4 x 100m relay at the 2023 World Athletics Championships held in Budapest. [8] In April 2024, Jefferson was a member of the USA team which won the 4 x 100m relay at the 2024 World Athletics Relays in ...

7. Nike Vaporfly and Tokyo 2020 Olympics controversy - Wikipedia

   en.wikipedia.org/wiki/Nike_Vaporfly_and_Tokyo...

   On January 31, 2020, World Athletics, the governing body for professional track and field, [3] issued new guidelines concerning shoes to be used in the upcoming Tokyo 2020 Olympics. [4] These updated guidelines followed complaints concerning the apparent performance advantage of Nike Vaporfly running shoes since 2017-2018. [5]