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A celebration of trail running for everyone

About the race

Desert Rats Trail Running Festival by UTMB brings new trail runners and utra veterans alike an incomparable weekend experience. With 5 unique distances, three days of racing, and indescribable views of the desert - there is something for every runner. Help us celebrate 20 years in 2023!

Discover the Races

100K

This beautiful out and back hits some of the fantastic highlights of the famous Kokopelli Trail including the stunning flowy singletrack of the Western Rim. Runners will be challenged with an epic mesa climb, then rewarded with endless views.

Race Details

Race Category

ws100KM

Running Stones

3

The race

100K

Distance

62miles

Elevation Gain

3640feet

Start Date

14th April 2023

50K

The 50K follows the marathon course with the bonus miles on the fast and fun Rustlers Loop! It’s definitely worth the extra miles.

Race Details

Race Category

ws50KM

Running Stones

2

The race

50K

Distance

31miles

Elevation Gain

3640feet

Start Date

15th April 2023

42K

An equally fun and challenging trail marathon on the stunning Kokopelli Loops in the Mack Ridge area. The race is a loop through some of the most beautiful desert terrain in the world, following the rim far above the Colorado River.

Race Details

Race Category

ws20KM

Running Stones

1

The race

42K

Distance

26.2miles

Elevation Gain

3580feet

Start Date

15th April 2023

21K

The half marathon is a loop with all of the views and rugged desert terrain of the longer courses. It was recognized as one of the most scenic half marathons by Active and fully deserves the title.

Race Details

Race Category

ws20KM

Running Stones

1

The race

21K

Distance

13.1miles

Elevation Gain

1540feet

Start Date

16th April 2023

10K

The 10K is a lollipop course with 600’ of elevation gain. It’s the best bang for your buck overlooking the narrow canyons and the Colorado River views on Steve’s Loop. Runners will be supported with three fully stocked aid stations.

Race Details

The race

10K

Distance

6.2miles

Elevation Gain

600feet

Start Date

16th April 2023

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