Originally Posted by
brawlo
One other option not at all mentioned is to go and do some Strava stalking. Lots of riders upload data to there, so you could get a feel for speeds and cadences if they have the right sensors. Just be aware that if their speed comes via GPS on a track that the speed will show lower than it actually is due to the turns
Interesting....I know the amount will vary with speed, but at sprint speeds on a 250m track, how much different is the displayed GPS speed vs actual?