On a 20-minute descending clock, and with as much or as little time between sets as you’d like,
Complete 250 total tire smash broken up into sets of 50.
Intersperse with sets of:
100 High-knee jumprope
20 Abmat situp
10 KB halo
Time your sets accordingly to assure completion of 250 in the 20 minutes allotted. When finished, rotate through sets of the 3 movements above until the clock runs out.