Want the thrill of OCR but with less mud and more city skylines? You should check out City Challenge as your next race.
As OCR grows, it's normal to experience growing pains. One of the most common discussions is whether race organizers should follow only the written rules or allow athletes more leeway and judge potential violations by the spirit of the rules.
Next up in our series about prize money in OCR: What events do offer prize money? And, what is more important? The prize money or the race experience?
Ultra-OCR Man: From Special Forces Soldier to Record-Setting Professional Obstacle Course Racer is a non-fiction book that covers Mud Run Crew Member Evan Perperis' military service and his career as on OCR athlete.
At the end of 2018, Tough Mudder announced they were changing their 8-hour, multi-lap Toughest Mudder event into a 12-hour event. How much did this change affect the performance of Ultra OCR athletes? Evan Perperis and Gary Shaw do the math.