Colorado River Trail Run

Colorado River Run : McKinney Roughs Park

A multi-distance trail event held along the Colorado River at McKinney Roughs Park offering a range of running and rucking options.

Distances and race options include:

• 250K ultramarathon
• 100 Mile ultramarathon
• 50 Mile ultramarathon
• 50K (31 miles)
• Marathon (26.2 miles)
• Half Marathon (13.1 miles)
• Half-Marathon Ruck (13.1 miles, ruck division)
• 10K (6.2 miles)
• 5K Run/Walk (3.1 miles)
• Kids Run

Course and support The course runs along riverbanks and through single-track and dirt trails with occasional technical sections and moderate elevation changes. Fully stocked aid stations provide hydration, nutrition, and medical assistance, with a main start/finish hub offering hot food and additional fueling options. The event describes eco-friendly practices such as waste reduction and use of sustainable materials.

Pacing and ruck rules Pacers are allowed on select ultra distances with one pacer per runner; pacers must register, sign a waiver, pay a fee, wear an official pacer bib, meet age requirements, enter or exit only at aid stations, and may not provide physical assistance. The Half-Marathon Ruck uses the same course as the half marathon; ruckers are scored as their own division. Minimum pack weight is 20 lb for participants under 150 lb and 30 lb for those 150 lb or over. Weigh-ins occur before the start and the pack weight is checked at the finish. Water does not count toward minimum weight.

Awards and community Finishers receive custom medals and ultra-distance finishers receive buckles. Individual finishes can count toward the Rio Colorado Ultra Slam. Volunteer roles are available across course marshal, aid station, and registration positions, with race shirt, snacks, service hours, and future race credit offered to volunteers. Visit the organization's website for the most recent information.

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