When 81-year-old Mildred Wilson crossed the finish line of a Tough Mudder 5K obstacle course for the second time (her first crossing was when she was 80-years old), how would you answer the question, "When was the last time you did something for the first time?" Or as Mary Oliver famously asked, "Tell me, what do you plan to do with your one and wild and precious life?" The adventure race is known for requiring participants to army crawl through pits of muddy water before tackling a several mile run interspersed with obstacles.

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