Competitors take part in “Tough Mudder” at the Glen Helen Raceway in San Bernardino, California, United States on April 2, 2023. Tough Mudder is an endurance event series in which participants attempt 3-6-9 mile-long (5K-10K-15K) obstacle courses featuring steep inclines, water hazards and military-style obstacles testing one's toughness, fitness, strength, stamina and mental grit. (Photo by Tayfun Coskun/Anadolu Agency via Getty Images)
