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Runner Dies After Medical Emergency During Arizona 250-Mile Cocodona Ultramarathon

The death highlights the risks of multiday, high‑elevation races even with medical teams stationed on the course.

Overview

  • A participant collapsed Tuesday near the Groom Creek Trailhead south of Prescott and later died, race organizers and the Yavapai County Sheriff’s Office said.
  • Deputies said the runner was a woman in her 40s and that the death is not considered suspicious, with the family’s privacy requested and no identity released.
  • Organizers kept the Cocodona 250 going in the runner’s honor and asked athletes to carry her memory on the trail as staff support affected runners and crews.
  • Rachel Entrekin won Wednesday afternoon in a course‑record time, becoming the first woman to take the overall title at the Cocodona 250.
  • Race leaders noted aid and medical teams are spread across the 250‑plus‑mile route and said they plan to move to a lottery next year, as the sport grows despite rare but known fatalities in events like a 2025 Colorado race and a 2021 race in China.