But I don’t understand…

UB means unbroken. And unbroken means…without stopping…consecutive. You know, like, unbroken.

This unbroken thingy requires fortitude and concentration. Mostly concentration. So test your focus today.

50 wall ball shots
Rest one minute
50 double unders
Rest one minute
50 box jumps
Rest one minute
25 unbroken wall ball shots
25 unbroken double unders, Three attempts only
25 box jumps

We are watching.