'Are you fit? How do you know? Take our fitness test to get your realFIT Score™ at www.realFITscore.com. Subscribe to our YouTube channel for more fitness videos at http://bit.ly/realFITvideos.  The realFIT 40-yard dash fitness test is primarily a measure of pure speed, but power and agility also play a role, especially in the start. Record the time it takes you to run 40 yards, measured to the 1/100\'s of a second. You may use unlimited attempts.  MAX SCORE TARGET: 4.24 seconds, a record set in the NFL Combine 40-yard dash' 

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