Course
33-mile loop from a field off CR 321 near Nathrop with 7,000 ft of climbing to a 13,100 ft high point: 22 miles singletrack, 4 miles mining road, 2.5 miles gravel and 4.5 miles pavement. Aid at miles 7.3, 18 and 25.7; 7:30 am start with an 11-hour cutoff. GPX, KML and Avenza maps are published.
Key dates
- ★Race daySeptember 2027 · date to be announced
About
Built to showcase the stunning beauty of the Sawatch Range, this high alpine and vert-heavy 50k will challenge and inspire you in equal measure! From starting under the shadow of Mount Princeton and the endless miles of buttery, aspen shaded Colorado Trail singletrack, to the awe-inspiring high point of 13,100ft and panoramic views of Colorado's highest range, you will get to experience the wonders of the Sawatch over 33 miles and 7,000ft of vertical gain all in 11 hours.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.
