Place tape markers at every meter (preferably in the middle of the lane where you place your feet) and film from the side. You should then be able to estimate your stride length very well. Also, be sure to achieve full speed!
Place tape markers at every meter (preferably in the middle of the lane where you place your feet) and film from the side. You should then be able to estimate your stride length very well. Also, be sure to achieve full speed!