Notes
1 min @ 6% incline & 5.7 mph alternated with about 75 sec @ 1% incline & 5.5 mph x 8 reps, 30 sec @ 6% incline & 30 sec @ 7% incline & 5.7 mph alternated with same recovery x 1 rep, then 1 min @ 7% incline & 5.7 mph followed by same recovery x 1 rep.