OPTIONAL LONG ENDURANCE Workout

WARM UP
10-15min easy pace bike (NOSE BREATHING)
TARGET PK1 / LOW DAMPER, HIGH CADENCE
.
.
3-4sets:
4min bike
2min row
4min bike
2min ski
4min bike
2min run / or echo
.
target PK1-2
.
COOLDOWN
10-15min easy pace bike (NOSE BREATHING)
TARGET PK1 / LOW DAMPER, HIGH CADENCE"