Mud and Adventure | Outdoor Active Adventures Begin Here.

M+A contributor Ryan Josti interviews United States Obstacle Course Racing (USOCR) cofounder Sam Mansfield.

The Tough Spartan Warrior Challenge, as the united brand will now be known, will like the Ironman brand encompass the best of each former race’s identity to create a truly world-class OCR series that will have an instant market in the North America, Europe, Australia and Asia.

Conquer the CMC PIT - the most bad ass fitness battlefield in obstacle course racing - with these training videos.

For anyone wanting to take on the Spartan lifestyle this book is an absolute must read to understand what needs to be done to achieve Spartan success.

Mudder Legion is the organization of Multi-Mudders. Legionnaires have completed two or more Tough Mudders.

Save $10 off BattleFrog - The Obstacle Race Series run and designed by Navy SEALs

Garmin is excited to not only capture the action on the course of “Probably the Toughest Event on the Planet” with VIRB, but also help participants train for the event with fēnix 2.

CITY CHALLENGE is 4 plus miles with over 15 intense obstacles parallel to New York City’s skyline. It is the first of its kind to come to Hoboken, NJ. The intricate and fun course is a great way to challenge your endurance and fortitude.

Mud & Obstacle magazine, North America's first mainstream magazine devoted to the sport of obstacle racing, is now available as a downloadable Kindle version.

Fitness DJ Mike Duffy from Fuzz 92.1 gets a first class lesson on how to Spartan The F*ck Up from the master himself, Spartan Race founder Joe De Sena.