Keskiviikko 17.5 Workout

Morning cardio: SKI
Ski at least 700 to 1000m for warm up.
Then
3 rounds
300m ski / 50 sec rest
3 rounds
200m ski / 40 sec rest
3 rounds
100m ski / 30 sec rest

These are MAX EFFORTS.
Try your best to keep the pace +-3 seconds each round.
Still... MAX EFFORT.