Complete as many rounds as possible in 15 minutes of:
50 double-unders
25-ft overhead walking lunge, arm 1
25-ft overhead walking lunge, arm 2
♀ 35-lb DB ♂ 50-lb DB
Post rounds completed to comments.
Scaling:
If you have double-unders, but are working toward stringing together bigger sets, give yourself a 1-minute window each round to complete 50 or as many reps as possible. Newer athletes should reduce the load.
Intermediate Option / Complete as many rounds as possible in 15 minutes of:
1 minute of double-unders
25-ft overhead walking lunge, arm 1
25-ft overhead walking lunge, arm 2
♀ 25-lb DB ♂ 35-lb DB
Beginner Option / Complete as many rounds as possible in 15 minutes of:
50 single-unders
25-ft walking lunge, arm 1
25-ft walking lunge, arm 2
♀ 10-lb DB ♂ 15-lb DB