Santa's Summit Slam

DEC

19

2026

A 10K at the YMCA of the Rockies on December 19, 2026, with trail and paved sections and nearly 1,500 feet of climbing; breakfast and a day pass included.

Sat 19 Dec 2026

Estes Park, Colorado

Website Registration

10 kilometers

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About the race

Santa's Summit Slam is a 10K held on the YMCA of the Rockies campus on December 19, 2026. The course combines trail and paved surfaces and features nearly 1,500 feet of elevation gain, routed across the property at 2515 Tunnel Rd, Estes Park, CO. The event is presented as a festive run; holiday costumes are encouraged provided they are runnable and appropriate for climbing. The start location is the Lower Cookout Pavilion at the YMCA of the Rockies.

Finishers receive a Santa's Summit Slam ornament, breakfast, and a YMCA day pass. Participants may remain on the YMCA property after the event. Registration opens August 25. Published entry pricing for the 10K is $45 through October 31, $57 from November 1 through December 12, and $65 from December 13 through December 19.

Estes Valley residents may use a local discount code for 10 percent off registration. Several lodging partners are listed for participants, including the YMCA of the Rockies, Quality Inn with a special room rate, Expedition Lodge offering 15 percent off with code RWE, and Estes Valley Vacation Rentals offering 10 percent off with code RWE. Visit the organization's website for the most recent information.