Sundance to Spearfish Marathon

SEP

13

2026

Run from Wyoming into South Dakota on this predominantly downhill course. The route features gravel roads through scenic canyons and paved descents along Spearfish Canyon. It's a small race with a high percentage of Boston Marathon qualifiers.

Sun 13 Sep 2026

Spearfish, South Dakota

Website

26 miles

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Sundance to Spearfish Marathon

The Sundance to Spearfish Marathon is held on a Sunday in September. Registration is capped at 250 participants.

The course is almost entirely downhill, with one hill from mile 2.00 to mile 2.56, gaining 169 feet in elevation. The race starts from Cement Ridge in Wyoming and finishes in Spearfish, South Dakota.

The first 12 miles are on gravel roads, passing through mountain meadows, valleys, and canyons, with a total elevation drop of 1,606 feet. A notable landmark, the winter film site for the movie Dances with Wolves, is located near mile 9.35.

The remaining 14 miles are on paved road, descending Spearfish Canyon Highway into Spearfish. This section shares its route with the Leading Ladies Marathon and drops another 1,364 feet. The marathon was ranked the 402nd largest in the United States in the previous year. Visit the organization's website for the most recent information.

26 mi

Marathon