Big Spring Clean Nutrition Challenge at Tam CrossFit Gym in San Rafael Big Spring Clean Nutrition Challenge at Tam CrossFit Gym in San Rafael tamcross2012-04-20T16:39:32-08:00 We always try to make these challenges fun and exciting in hopes that it will motivate people to stick with them but the reality is, [...] Big Spring Clean Nutrition Challenge at Tam CrossFit Gym in San Rafaeltamcross2012-04-20T16:39:32-08:00