5 rounds:

25 x 24 kg/14 kg kettlebell swings
25 x sit ups

“Data Driven” by CrossFit Again Faster, a CrossFit Journal preview video [wmv] [mov]

“A Violent Agreement” Part 3with Greg Glassman, Dr. Nicolas Romanov, and Louie Simmons, a CrossFit Journal preview video [wmv] [mov]

 “Training for the Knowable” with Cam Birtwell, a CrossFit Journal preview video [wmv] [mov]

The CrossFit Program was developed to enhance an individuals competency at all physical tasks. Our athletes are trained to perform successfully at multiple, diverse and randomized physical challenges. This fitness is demanded of military and police personnel, firefighters and many sports requiring total or complete physical prowess. CrossFit has proven effective in these arenas. -CrossFit.com