Complete as many rounds as possible in 7 minutes of:
200-m sprint
50 double-unders
Scaling
Scale the double-unders so that you can avoid tripping up, quickly get back to the sprint. The focus of this workout should be intensity, not double-under practice.
Intermediate Option
Complete as many rounds as possible in 7 minutes of:
200-m sprint
30 double-unders
Beginner Option
Complete as many rounds as possible in 7 minutes of:
100-m sprint
30 single-unders