During a Spartan Race you are going to burn calories. How many calories you convert from potential to actual energy will depend on the duration of your race and how hard you push yourself throughout it. Your race is the result of the calories you burn, and these calories have to come from …
obstacle course race
Spartan Race: World’s Best Obstacle Race
Enter to win a FREE Spartan Race and a Competitor Backback from Fitmark. Simply leave your Twitter, IG or Facebook handle in the comments below and you're automatically eligible to win. (Congratulations to our winner: @biggoetsch11) Voted by Outside magazine as the Best Obstacle Race, the Reebok …
