12-min AMRAP 

100m Run 

28 KBS 

28 Double Unders

100m Run 

21 KBS

21 Double Unders 

100m Run 

14 KBS 

14 Double Unders

100m Run 

7 KBS 

7 Double Unders

L1: Blue/Red (American), Double Unders 

L2: Blue/Red (Russian), Double Unders 

L3: Red/Orange (American), 1/2 Attempts (+) 1/2 Singles 

L4: Orange/Yellow (Russian), Singles