WATCH: An Almost Perfect Race With Courtney Dauwalter

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Courtney Dauwalter learns that anything can happen in 100 miles the hard way when she sets her sights on the course record of the Western States Endurance Run.

Want to Know What It Takes to Finish at Western States? Just Ask Hellah Sidibe.

Find out what happened when this six-year run streaker and HOKA Global Athlete Ambassador took on an iconic ultramarathon in California's Sierra Nevada