put one together, get some others to participate - enjoy - maybe an avenue to greatness ??? or boredom...
topic has been picked clean already...
https://www.bikeforums.net/general-c...e-sprints.html
if you live near a velodrome, you can get to doing the walt mitty thing... plenty of sprinting, and also the ultimate mating of speed and pain - the Kilo
done...