The 40-yard dash – a standard acceleration evaluation for American Football players – does not fall within the usual criteria of athletics racing events. In most 40-yard dashes, reaction times are not recorded as timing starts only once the player is in motion, and the standards for timing a "football 40" are so lax and inconsistent that a real world record cannot be claimed. Performances are hand-timed and calculated to 1/100th of a second, although studies show human beings simply cannot react consistently or accurately enough for this to be a valid method; even those using light beams are timed by the motion of the athlete, still removing the normal factor of reaction time. Football 40-yard dashes are usually run on a turf surface, as opposed to an all weather track . All these factors make track and "football 40" performances incomparable. The world best time for a "football 40" is by Deion Sanders . The extrapolated best for an Olympic level athlete, including reacting to a starting gun, currently is by Maurice Greene at the 2001 World Championships in Athletics with a time of .   Under conventional football timing on a turf field in 2017, Christian Coleman reportedly ran a . 
Art of the Olympians continued to grow 10 years after their first exhibition. The organization now has 50 Olympian and Paralympian artists on its roster including two posthumous members: Al Oerter and Florence Griffith-Joyner. Over the past decade Art of the Olympians artists and their artwork have been seen on numerous TV networks including CBS , NBC , BBC , CNN , PBS , the USA Network and UK’s Channel Four and had Exhibitions at three Olympic and Paralympic Games: Beijing 2008 , Vancouver 2010 and London 2012 . And for three and half years, between 2010 and 2013, AOTO had dozens of group and solo exhibitions at their museum and gallery in Fort Myers, Florida.