Complete the following double-under ladder, pausing between sets--but doing each set unbroken. If you miss a rep, you have to start that set over. Rest as needed in between sets, but score is total time. TC 20min.

5-10-15-20-25-30-35-40-45-50-45-40-35-30-25-20-15-10-5

Scaled: 5-10-15-20-25-30-25-20-15-10-5 or DU practice for 20 minutes