Can I choose between a trail or road course?

Yes, runners may choose to compete on either a trail or a one-mile paved option each day.

Are there awards for the road series?

No, the road event is noncompetitive and runners in the road event are not eligible for awards.

What is the time limit for the races?

The course limit is sundown, or 5:30 p.m.

Is there a community run available?

Yes, there is a noncompetitive 2-mile Community Fun Run held on Saturday at 10:00 a.m. with no entry fee.

All races

8 weeks out

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All races

8 weeks out

Four Corners Quad Keyah

Thursday, December 3, 2026Teec Nos Pos, AZHalf Marathon – Marathon

The Four Corners Quad Keyah Marathon Series offers a unique opportunity to complete four marathons or half marathons across four states in four days. Each day features a distinct start and finish in Arizona, Utah, Colorado, or New Mexico, set against the stunning backdrop of the Navajo Nation. The course utilizes a 5.25-mile loop format, providing runners with frequent access to aid stations, live music, and their personal gear. Participants can choose between trail or paved options, with the trail routes showcasing the beautiful canyons and the San Juan River. This event is more than just a race; it is a cultural experience featuring local entertainment and proceeds that benefit youth and wellness programs on the Navajo Nation. Whether you are chasing overall awards or seeking a memorable multi-day challenge, this series delivers a one-of-a-kind adventure.