Gaiam Blog » best workout http://blog.gaiam.com Experiences in living green, healthy and happy Tue, 16 Mar 2010 22:49:23 +0000 en hourly 1 Which Is a Better Workout: Sprint or Marathon? http://blog.gaiam.com/blog/which-is-a-better-workout-sprint-or-marathon/ http://blog.gaiam.com/blog/which-is-a-better-workout-sprint-or-marathon/#comments Wed, 19 Aug 2009 15:39:32 +0000 The FIRM Master Instructor Team http://blog.gaiam.com/?p=8279 http://blog.gaiam.com/blog/which-is-a-better-workout-sprint-or-marathon/feed/ 2