$90
50 Mile Challenge Registration
A gritty, no-nonsense test of pacing and patience on a scenic 3.1-mile (5K) loop trail in Pinnacle Mountain State Park. This is a continuous 50-mile trail race with a 12-hour cutoff, featuring 16 loops with a fully stocked Start/Finish aid station every lap.
Registration Closes
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Race Day
May 9, 2026
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Current Price
$90
50 Mile Challenge Registration
Price Progression
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Make Race PlanAre you the race director for The Next Loop: 50-Mile Challenge - Pinnacle Mountain (May)?
Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.