Four Corners Quad Keyah Marathon Series
Four Corners Quad Keyah Marathon Series runs four fulls in four days, each beginning and ending in a different state around the iconic monument.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 22, 2026.
Quick facts
- Four marathons in four days
- A different state each day
- Trail or paved-loop choices
- Navajo Nation community setting
About the Four Corners Quad Keyah Marathon Series
This Navajo Nation-hosted challenge is designed for marathon collectors and multi-day runners. Each day counts as its own full while the four-day entry creates one distinctive interstate series.
Course
Daily marathons use trail or paved-loop choices around Four Corners Monument, with the start and finish assigned to a different state each day. Repeated access to support helps manage cumulative fatigue.
Race-day weather
December at Four Corners can bring freezing mornings, strong sun, wind and occasional snow. Dry high-desert air increases hydration needs even when temperatures remain cold.
Past Four Corners Quad Keyah Marathon Series dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Thursday, December 3, 2026 | Upcoming | — |
Four Corners Quad Keyah Marathon Series FAQ
When is the Four Corners Quad Keyah Marathon Series?
The 2026 Four Corners Quad Keyah Marathon Series is on Thursday, December 3, 2026.
How do I register for the Four Corners Quad Keyah Marathon Series?
You can register for the Four Corners Quad Keyah Marathon Series at runsignup.com.
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