How much do sprinters train

I wonder what the total yardage reduction is though. The 50m may be a totally different animal though Stefan Nystrand, claimed he never did more than 3000M per session or 20,000M per week. He was just as good in the 100

I wonder what the total yardage reduction is though. The 50m may be a totally different animal though Stefan Nystrand, claimed he never did more than 3000M per session or 20,000M per week. He was just as good in the 100