5 minute video of the 2016 preview run

50km race in 2019.  Start at 4:15 to view the full 25km route for 2020

Preview Videos 

Run the Bonneville Salt Flats from Dusk to Dawn!  August 21-22, 2020.

For health precautions in 2020, modifications may need to be made to how aid stations, crew, and drop bags mechanics operate.

The spectacular lands of the Fishlake National Forest and their permission makes this race possible

Spenser rocking the ultra win in 2018

Sign up at UltraSignup.com

A downhill road 1/2 marathon and 5km through an amazing abandoned canyon.  Also runs through the Fremont Indian State Park.  Located about 20 minutes South of Richfield..

2021 registration to open December 1st

Partner hotel in Richfield, just 5 blocks from the start/finish.

An annual 65 mile, 6-person relay race starting at Fishlake and ending in downtown Richfield.

Gary's Shoes provides gift certificates to the male and female winners of each distance

One of two obstacles in the unique Cathedral Canyon

Another awesome race in Sevier County, with a team of 6

Hammer provides endurance products for all participating athletes.

Assorted 2019 Race Photos (above)

Click here for 2019 Racer Photos (in Facebook)

CJF helps create good sustainable jobs for disadvantaged young adults in Cambodia through several programs.  To support the good work they do, 10% of race profits will be donated to this 501c3 non-profit.

Brave the wildlife!  This snake was on the trail above Dairy Canyon in 2019.

Top 2019 Female 1/2 marathon finisher

Check out some of their great races

Assorted 2018 Race Photos (above)

Click here for 2018 Racer Photos (in Facebook)

10% of race profits are donated to CJF
Sevier County Travel Council

The local Richfield Bottling Plant provides drinks for runners


2017 Cathedral Canyon Loop (marathon) run-through

At the start

The 2020 50KM course.

Race Photos

2021 Aid Stations - Crew Points - Drop Bags - Cut-Offs Times

Preview of Dairy Canyon, Trail 84, and the new Faulty and Cairn-Age Trails.  


[UPDATE 29-November-2020: The 2021 Crimson Canyons Ultra is approved for Thursday, September 18, 2021 for both the 25km and 50km distance. 

Check out the 2020 event photos HERE ]

Explore wild red rock canyons and primal trails in this unforgettable run.  This run links several canyons, dry washes, remote sections of the Paiute ATV Trail systems, and the brand new Pahvant Mountain Bike Trail System, into a very unique experience. Run up a slot-like red rock canyon, trek atop a packed natural clay fin under colorful hills, power up and speed down remote trails, and catch great vistas along ridgelines. There will be a 25km (approximately 16 miles) and a 50km ultra (approximate 32 miles). 

The race is located in Richfield, Utah, just a 2 hour 35 minute drive South of the SLC International Airport.

Race date is Saturday, September 18th, 2021.

Elevation gains & time limits

 *  25km (16.6 miles).  3104 feet / 946 meters (time limit 7 hours).
 *  50km (31.2 miles)  5113 feet / 1558  meters (time limit 12 hours).

See the overview maps below, or the "Course" page for more details.

The new Pahvant MTB Trail System has completed the 65+ miles of incredible single track trails between 2019 and 2020.  Both race distances catch 5 amazing new single-track mountain bike sections that parallel previous years course routing the last four miles.

Note, we are still in discussion with the Forest Service on possible routing for a 50 miler for 2021.