WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K 2026

The WTF Dark Sky 220 / Cherry Springs 110 / Wooly 50K is a three-race ultra series. Distances are 220 miles, 110 miles, and 50K. The Dark Sky 220 begins at 6:00 PM, with runners starting in the evening and racing through the night. The Cherry Springs 110 and Wooly 50K both start at 8:00 AM. The series focuses on long trail efforts, not standard road distances. The names suggest a dark-sky, outdoor location. Cherry Springs identifies the middle race, and Wooly marks the 50K option.