Cirque Series - Arapahoe Basin, CO

Cirque Series - Arapahoe Basin, CO

Date: Saturday, September 5, 2026

Location: Keystone, CO 80435 US

Distance: 9.4 miles

Elevation Gain: 2,211 ft

Divisions:

• Sport Division (beginner/intermediate)
• Expert Division
• Pro Division
• Volunteer

Registration: Ends September 5, 2026, at 10:00 AM MDT

Prices:

• Sport, Expert, Pro: $89 (includes $8.30 fee)
• Volunteer: $3.62 (includes $3.62 fee)

Additional Fees: National Forest Fee: $2.00

Prizes: Prizes will be awarded at the end of each race and for overall series winners. Details vary by division.

Course Description: The course starts at 10,780 ft at the base of Arapahoe Basin, and includes various trails such as the High Noon parking lot, last chance, A-Basin summer road, Black Mountain Lodge, Zuma Cornice area, Montezuma Lift, Lenawee trail, Little Lenawee peak, Half Moon Vista singletrack, and Argentine North Fork trail. The race finishes in Mountain Goat Plaza.

Safety: The course is well-marked, but runners should be aware of the steep terrain and potential for loose rocks. Runners are encouraged to carry water and food.

Aid Stations: Hydration will be provided at aid stations along the course and at the finish line.

Contact: [email protected]