Run

M Pace Long Intervals
Warm up : 2-3 miles @ E pace + run drills of your choice

Mid-Distance: 2 x 3k w. 3:00 resting recovery returning to nasal breathing

Marathon: 3 x 3k w. 3:00 resting recovery returning to nasal breathing

Ultra : 4 x 3k 3:00 resting recovery returning to nasal breathing

Cool Down : 2-3 miles @ E pace