Equipment
No Equipment
Body Parts
Total Body

Step-by-step instructions

1. Run on a track or field. Note a spot on the track that’s 20 meters away to one side of you and one that’s 20 meters to the opposite side. Turn and run 20 meters to one marker. Stop, turn the other direction, and run all the way back till you hit the second marker. Turn around again and run back to the first marker.