They offered to pay people to go to the gym. Guess what happened?
Have you ever thought, "You couldn't pay me enough to go to the gym"? You're not alone.
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How Tough Mudders and “Ninja Warrior” turned overcoming fear into big business
Obstacle course racing is a $500 million business. Why do people pay to slog through mud, wade through ice baths and even get electrocuted? It's not just the post-race social-media...