If you’re looking to take on an obstacle race soon, here are three of the best – and they all target your fitness in slightly different ways.

You are responsible for the health and wellbeing of your body. You are the one who should be most concerned about it.

While most of us would never attempt any of these sports, they certainly are entrancing to watch. Snowboarding, BMX, auto-racing, surfing, and more. You've got to see this one.

If you like to temporarily deprive yourself of sleep, hygiene, and your sanity -- and if you have a sense of adventure and a love of running, then the Ragnar Relay might be for you.