Pennsylvania · 220 Mile · 110 Mile · 50K (plus a virtual option for all three)

WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K

WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K is a 220 Mile, 110 Mile and 50K (plus a virtual option for all three) event held in Lock Haven, Pennsylvania. It was last held on October 25, 2026 and is usually run in October; the next date hasn't been announced yet.

Usually held
October
Location
Lock Haven, PA

Race details

Last held
October 25, 2026
Usually held in
October
Distances
220 Mile, 110 Mile, 50K (plus a virtual option for all three)
Course
Dark Sky 220: ~39,700 ft gain (loop); Cherry Springs 110: ~20,400 ft gain (point-to-point, second half of the 220); Wooly 50K: ~7,000 ft gain / 8,000 ft loss (point-to-point)
Registration
ultrasignup.com
Official website
warriortrail.run

Registration, course & weather

Start time
6:00 PM EDT
Course profile — 220 Mile
Loop course; Trail surface; 39692 ft gain, 39692 ft loss (official course data); Not USATF certified
Course profile — 110 Mile
Point-to-point course; Trail surface; 20447 ft gain (official course data); Not USATF certified
Course profile — 50K
Point-to-point course; Trail surface; 7000 ft gain, 8000 ft loss (official course data); Not USATF certified

About the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K

A small, FKT-style veteran-nonprofit trail adventure series in the PA Wilds near Lock Haven, PA: the Dark Sky 220 (a single 220-mile loop, 40,000+ ft gain), the Cherry Springs 110 (the course's second half, ~20,000 ft gain), and the Wooly 50K, run supported, self-supported, unsupported, or as a team, benefiting the Warrior Trail Foundation.

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WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K: common questions

When is the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K?
The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
Where is the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K held?
In Lock Haven, Pennsylvania.
What distances does the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K offer?
220 Mile, 110 Mile and 50K (plus a virtual option for all three).
How do I register for the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K?
Registration status as last checked September 25, 2026: open. Listed fee for the longest distance, $22 (from ultrasignup.com, checked September 25, 2026).
What time does the WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K start?
6:00 PM EDT.