Organizers Share Facebook Twitter Google + Stumbleupon Pinterest Alpha Warrior Phone: Email: Website: Bone Frog Challenge Phone: (413) 712-0306 Email: [email protected] Website: http://www.bonefrogchallenge.com/ Camp Pendleton Hard Corps Race Series Phone: (760) 725-7223 Email: [email protected] Website: http://www.mccscp.com/hcrs Civilian Military Combine Phone: Email: Website: http://cmcrace.com/ Conquer The Gauntlet Phone: Email: [email protected] Website: https://conquerthegauntlet.com Dragon OCR Phone: Email: [email protected] Website: http://www.dragonocr.com/home.html FIT Challenge Phone: Email: Website: Frontline OCR Phone: Email: Website: http://www.frontlineocr.com Green Beret Challenge Phone: Email: Website: http://www.greenberetchallenge.com/ Hardcore Mudd Run Phone: Email: Website: Insane Inflatable 5K Phone: Email: Website: MuckFest MS Phone: Email: Website: Nuclear Races Phone: Email: Website: Ragnar Relay Series Phone: Email: Website: Rat Race Dirty Weekend Phone: Email: Website: Rogue Alpha Rush Phone: Email: Website: Rugged Maniac 5K Obstacle Race Phone: Email: Website: http://www.ruggedmaniac.com/ Savage Race Phone: Email: Website: http://savagerace.com Shale Hill Phone: Email: Website: Spartan Race Phone: 781-255-9900 Email: [email protected] Website: http://www.spartan.com Steeplechase Challenge Phone: Email: Website: Terrain Racing Phone: (928) 255-1212 Email: [email protected] Website: http://terrainracing.com/ Tough Mudder Phone: Email: Website: https://toughmudder.com/ Warrior Dash Phone: Email: Website: https://www.warriordash.com/ Zombie Charge Phone: Email: [email protected] Website: http://www.zombiecharge.com/ Share Facebook Twitter Google + Stumbleupon Pinterest