WTF Dark Sky 220
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About the race
WTF Dark Sky 220 / Cherry Springs 110 is an endurance adventure organized by Warrior Trail Running in Lock Haven, Pennsylvania. Runners choose between a 220‑mile course with over 40,000 feet of elevation gain or the 110‑mile back half with about 20,000 feet. The event emphasizes a DIY trail challenge, offering Supported, Self‑Supported, Unsupported, and Team styles, with plentiful water sources along the route.
The course traverses Pennsylvania’s forested and scenic segments, including the Cherry Springs region. The GPX is available on CalTopo, and CS110 starts at Lyman Run State Park. All proceeds benefit the Warrior Trail Foundation’s veteran coaching and wellness programs. Visit the organization's website for the most recent information.