Run
2-3 miles relaxed running @ E pace w. 3/3 nasal breathing + run drills
100 / 300 / 600 rest 1:1 then 800m running recovery between sets
Mid-Distance : 3 sets
Marathon : 4-5 sets
Ultra : 5-6 sets
Cool Down : 2-3 miles relaxed running @ E pace w. 3/3 nasal breathing + run drills