Logo

The Capstone 50k

St. George, United States • 6 Dec 2025

The Capstone 50K is a trail running event held in St. George, Utah, featuring a scenic 10K loop course with expansive desert views. Participants run the loop multiple times depending on their race distance: one loop for the 10K, two for the half marathon, and five for the 50K.

The course is run in alternating directions to add variety. Designed to welcome new trail runners, the event emphasizes fun and community, encouraging both competitive and recreational runners to enjoy the experience. The Capstone offers a supportive atmosphere ideal for gaining confidence in trail running. Visit the organization's website for the most recent information.

United States Utah St. George

Race information

Website Registration
50 km
50k
21 km
1/2 Marathon
10 km
10k
Zehn Um Zen
Visit the organization's website for the most recent information.
Trail runs nearby

Last One Standing Ultra Marathon

St. George

Last One Standing Ultra Marathon is held in Saint George, Utah, on the asphalt Mayor's Loop along the Virgin River, with city and river viewpoints. Adult ultra covers 102 miles by completing 17 loops around a 6-mile course, with the final lap an all-out race to determine winners. A kids division run..

Red Mountain 50K Trail

Ivins - 8 mi from St. George

Red Mountain 50K, 30K, and the Dirty Hurty Half take place near Ivins, Utah, on March 7, 2026, along the Santa Clara Reserve trails. The course starts on Gates Lane Bridge, climbs onto BLM roads, then follows single-track through the reserve. Racers wind in a clover-shaped loop, visiting Cove Wash T..

Vacation Races - Zion Ultras

Apple Valley - 24 mi from St. George

...

Zion Ultras, a Vacation Races event, is held at Ruby Rider Ranch in Apple Valley, Utah, just southeast of Zion National Park. The series offers five distances: 100 Mile, 100K, 60K, 30K, and a Trail Half Marathon. Runners tackle challenging dirt-trail courses through the Southern Utah desert, with sw..