with current drugtesting? nope in the 80's, 90's and early 2000's they did, but nowadays you'd have to cheat with caution. meaning less progression.
Looking at the 100 200 400 meter records for women and men....i would say.....hmmmm....yes Yes...hmmmm...yes
Watch the video. The improvement in those records is nearly all because of the tracks changing. Plus in those sport amateurism used to be enforced. Numerous record breakers, and potential record breakers, were banned for not being amateur enough. With the cold war and state sponsored athletes, this all slowly went away, stopped being enforced, and was removed totally.
This is what they looked like in the 30s. Judge for yourself. This content is protected This content is protected This content is protected This content is protected This content is protected
Well look at this factoid as well, fighters used to fight unlimited, 20, 15 rounds before. Now you got guys winded after 6 rounds.
