The Spartan Race is one of the most challenging mud races in the world! It makes you feel as if you are a Spartan at war. Since 2005, this race has been crowned as the most challenging mud race you could ever compete in. You must be incredibly fit for this race as it will test your stamina and strength and give you an adrenaline rush like never before! This race begins in May near Austin, TX and goes on all over the world. You can find out where it will be in your area simply by visiting www.spartanrace.com.