The Fartlek - Single Leg Bounding

https://vimeo.com/528304013
Off Ice Exercise Tags: 

Place leg in front of the body & rock from the heal of the foot to the big toe; once on the toes drive down through the ground propelling the body upward and forward; land on the ball of the foot and then rocking back to the heal before placing the opposite leg in front of the body to repeat the motion.