Runner dies after medical emergency during 253-mile ultramarathon in Arizona

• Cocodona 250 will go on in runner’s honor, organizers say

• Race includes more than 38,000ft of elevation gain

A runner at the Cocodona 250 ultramarathon in Arizona has died after a medical emergency, organizers said on Tuesday.

According to a statement posted on Instagram, a participant experienced a “serious medical emergency” during the 253-mile endurance race, which began Monday and continues through Saturday.