Endurance WOD Workout

4 rounds:
A. 7 min amrap:
21/17 cal ski
14 KB swings 24/16 kg
7 ring rows

B. 7 min amrap
10 shuttle runs (7,5 m + 7,5 m)
7 wall balls
14 sit ups

3 min rest after each round. Alternate amraps for total 2 of each.