We do meters, our back is marked 20, 30, 40, 50 meters.
No one (trainers) pushes 6 plates less than 20 meters. ( 21yds)
Female clients get 2 plates each side, men 3.
I like going heavy for 30meters.(32yds)
Brutal finisher, 14 plates, 30 meters.
I'll try to get some video up of cardio prowler.
I got video up on YouTube of 14, 16, then 18 plates 20 meters, finishing with the 14 for 30 meters.