*run on any lines on the fields or the perimeter of the field *1:1 work/rest ratio (20 minutes total, 10 work/10 rest) -15 sec/15 sec -30 sec/30 sec -45 sec/45 secs -60 secs/60 secs -90 secs/90 secs -2 min/2 min -90 secs/90 secs -60 secs/60 secs -45 secs/45 secs -30 secs/30 secs -15 secs/15 secs