I have not seen it mentioned either here or in the article[1], but in 100 metres (and the other sprint disciplines) a reaction time faster than 1/10 of a second

I have not seen it mentioned either here or in the article[1], but in 100 metres (and the other sprint disciplines) a reaction time faster than 1/10 of a second is considered a false start[2]. [1] I might have missed it, though. [2] https://www.worldathletics.org/disciplines/sprint-event/100-metres https://www.worldathletics.org/disciplines/sprint-event/100-...