5 rounds: 
21 thrusters
21 double unders
If you are currently unable to do double unders, substitute 7 single-unders for every double under.  That’s right, 7 single unders for every double under.

 

Day 2 Highlights from the 2010 CrossFit Games Mountain Regionals.

Want to see a clip of the sparkliest shoes at the mountain sectionals, a shot of the greatest cheering section, or a wide-eyed smiling athlete? Check out the video!