Threshold Intervals Workout

2-3 Rounds of

Amrap 4 min
40/30 Cal Row
Max Cal Bike Erg

-- 1 Min Rest --

Amrap 4 min
40/30 Cal Bike Erg
Max Cal Ski Erg

-- 1 Min Rest --

Amrap 4 min
40/30 Cal Ski Erg
Max Cal Row

-- 1 Min Rest --