Business Insider spoke with CEO and founder of Tough Mudder Will Dean, about why people repeatedly come back to tackle the famous obstacle course. He said: "We are a tribe, a community.

Goldsmith was among the 5,000 people who had just taken part in the 2023 Tough Mudder race at Sonoma Raceway, a popular 5K to 15K event and obstacle course that has been held annually since 2010 ...