4x2miles at Threshold Pace
This a great workout to improve V02 max and aerobic capacity. Warm up for 1-3 miles (depending on fitness level) and then begin the 4 x 2 miles at a ...
This a great workout to improve V02 max and aerobic capacity. Warm up for 1-3 miles (depending on fitness level) and then begin the 4 x 2 miles at a ...