- twitter.com obstacleracersObstacle Racers is your one source for everything obstacle course racing and mud runs. Upcoming races, reviews, training guides, and more!
- twitter.com TheRadRun13/status/4521273036826460196 weeks to 2014 RAD RUN! Are you prepared? Check out this link we found.
- twitter.com LSandtoes/status/323082959311753217@LSandtoes. 5 Perfect Obstacle Race Exercises http://obstacleracers.com/2012/01/03/5-perfect-obstacle-race-exercises/…
- twitter.com Obst_ApocalypseObstacle course training tips: Dominate every obstacle! http://obstacleracers.com/2012/01/20/dominate-every-obstacle-part-one...
- twitter.com khcelis...ingresa http://obstacleracers.com/inscripciones y llena el formulario de registro.