Overview
- A participant died after a serious medical emergency during the 253‑mile Cocodona 250 ultramarathon in Arizona, race organizers confirmed.
- Organizers said the runner’s family was notified, the person’s identity will be withheld out of respect, and further details will be shared only when appropriate.
- The event will continue in the runner’s honor, and officials asked participants and crew to carry the runner’s memory on the trail.
- The Yavapai County Sheriff’s Office reported a woman in her 40s collapsed near Senator Highway and the Groom Creek Trailhead southeast of Prescott and said there is no sign of foul play.
- The Cocodona 250 spans Black Canyon City to Flagstaff with roughly 39,000 feet of climbing and about 400 entrants, and the death is being viewed in the context of recent ultramarathon fatalities in Colorado in 2025 and in China in 2022.