Desert Rats Trail Running Festival

Fruita, United States • 9-12 Apr 2026

Event Overview

The Desert RATS Trail Running Festival by UTMB is a multi-day trail running event in Fruita, Colorado. The event features three days of racing with four different distances: 100K, 50K, 21K, and 10K. The courses take place in a high desert landscape, featuring views of the Colorado River, red slickrock cliff buttes, and mesas. The trails include flowy singletrack.

Races and Qualifying

The races are scheduled across three days, with specific dates listed for each distance. The 100K, 50K, and 21K races are part of the UTMB World Series, awarding Running Stones and a UTMB Index to finishers. The 100K race also serves as a qualifier for the Western States Endurance Run if completed within 20 hours.

Festival Elements

The event is described as a weekend festival with activities beyond the races. These include a basecamp festival party and a free kids' race, aiming to provide an experience for the whole family. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K
100 km
100k
48 km
50k
Half Marathon
21k
9 km
10k
Visit the organization's website for the most recent information.
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