Yuma Territorial Marathon, Half Marathon, 10k and Team Relay

  • Date Sat 31st January 2026
  • Time 7:00AM MST
  • Location Somerton, Arizona
  • Price $32.80 - $160.00
  • Races 4 races
  • Distances Marathon, Half Marathon, 10km

Event summary

Get ready for an unforgettable day of running at the Yuma Territorial Marathon, Half Marathon, 10k, and Team Relay on Saturday, January 31, 2026! Set in the stunning landscapes of Somerton, Yuma, this event kicks off at the Cocopah Casino & Resort and winds through the scenic charm of southern Arizona, including the communities of Somerton and San Luis.

Participants can choose from a variety of race distances: a full marathon, half marathon, 10k, or the exciting team relay option. The certified course is designed for speed, featuring minimal elevation changes and a downhill start that creates perfect conditions for personal bests. With its out-and-back layout, runners will enjoy a sense of familiarity while tackling the slight uphill challenge near the finish line. Whether you're aiming to qualify for the Boston Marathon or simply looking for a fun day out, the Yuma Territorial Marathon promises to deliver a fantastic experience amid the breathtaking desert southwest scenery. Don't miss your chance to be part of this exhilarating event!

Organiser's Description

Starting at Cocopah Casino & Resort and running through scenic areas like Somerton and San Luis, Arizona, not only offers a beautiful backdrop for the race but also gives runners a chance to experience the charm of the desert southwest and the rural communities of southern Arizona.

Due to the favorable elevations and weather, the course is conducive to setting your best times and provides an excellent opportunity to qualify for the Boston Marathon as this course is certified by the USATF. With minimal elevation changes and the opportunity to run downhill at the start, this race is an ideal setup for achieving personal best times. The out-and-back course design provides a sense of familiarity for runners, which can be both mentally reassuring and strategically advantageous. The slight uphill portion near the finish line adds an exciting challenge for participants to conquer.

The course starts at Cocopah Casino & Resort and runs on Southbound shoulder of US Highway 95. Runners leave the Cocopah Indian Reservation and pass through Somerton, Arizona. Marathoners will continue through Gadsen, Arizona and into San Luis, Arizona city limits. All runners will return back on the Northbound shoulder of US Highway 95 finishing back at the Cocopah Casino & Resort. This race will bring you through the beauty of the desert southwest and through the rural communities of southern Arizona.

ENTRY FEES:

* Full Marathon - $105 (Active Military and Per Family Member - $75)
* Team Relay Marathon - $250/team (Active Military and First Responder - $125)
* Half Marathon - $65 (Active Military and Per Family Member - $35)
* 10K Run - $45 (Active Military and Per Family Member - $25)

Races

  • Marathon

    Incl. $5.80 Fee & T-Shirt

    Sat 31st January 2026 (7:00AM MST)

    $85.80

    The race is marked off each mile, with hydration stations at almost every marker. There will be a couple of first aid stations on the course as well. Runners may be asked to withdraw from the race if they do not reach the turnaround point by 10:00 AM. The course closes at 1:00 PM.
  • Half Marathon

    Incl. $3.40 Fee & T-Shirt

    Sat 31st January 2026 (7:20AM MST)

    $43.40

    The race is marked off each mile, with hydration stations at almost every marker. There will be a couple of first aid stations on the course as well. Runners may be asked to withdraw from the race if they do not reach the turnaround point by 10:00 AM. The course closes at 1:00 PM.
  • 10k

    Incl. $2.80 Fee & T-Shirt

    Sat 31st January 2026 (7:40AM MST)

    $32.80

    The race is marked off each mile, with hydration stations at almost every marker. The course closes at 1:00 PM.
  • Team Relay

    Incl. $10.00 Fee & T-Shirt

    Sat 31st January 2026 (7:00AM MST)

    $160.00

    The team relay is a 4-member relay during which each member runs one leg of the marathon course. Military /First Responder Pricing *Requires all team members be active military/first responder or immediate family members of active duty/first responder with at least one active duty/first responder participant. The race is marked off each mile, with hydration stations at almost every marker. There will be a couple of first aid stations on the course as well. Runners may be asked to withdraw from the race if they do not reach the turnaround point by 10:00 AM. The course closes at 1:00 PM.

Reviews

Done this event?

First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event.

Add a review

Location

Cocopah Casino & Resort, 15318 S Avenue B, Somerton, 85350, AZ, United States

Who's In

See who else is doing this event

Doing

Ines Swann

Maybe

Leonard Keefer

Jan 31, 2026

$32.80 - $160.00