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The fastest bleep test run time on record is 21.4, achieved by former Premier League footballer Lamine Sissoko in 2014.
During the bleep test, which is also known as the shuttle run test, the body experiences an increase in heart rate, breathing rate, and oxygen consumption as the intensity of the exercise gradually increases. Muscles are engaged to run back and forth between markers, leading to fatigue as the test progresses. The body works to adapt to the increasing demand for energy production until exhaustion or the test is completed.
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The fastest 40 yard dash time is 4.22 seconds, achieved by John Ross at the NFL Scouting Combine in 2017.
The fastest 40-yard dash time recorded for an NFL lineman is 4.65 seconds, achieved by Lane Johnson at the 2013 NFL Combine.
The world record for the fastest 5k is held by Joshua Cheptegei from Uganda, with a time of 12 minutes and 51 seconds, set on December 16, 2020 in Valencia, Spain.