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34,045EventsUnited States2026
This month
20SAT
30
MAY
Coz's Backyard Ultra
Holland Patent, US
SAT
30
MAY
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JUN
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THU
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Troy, US
Coz's Backyard Ultra
Saturday, May 30, 2026 · Holland Patent, United States
Start location
About this race
Coz's Backyard Ultra tests grit, strategy, and joy. The format: one loop every hour until one runner remains. It's a battle of willpower and community. The course, rolling double track with a dirt road section, challenges you. You'll suffer, laugh, and share miles, experiencing competition and camaraderie. The final runner can continue to 100 miles or 30 hours.