Coldwater Rumble
Goodyear, United States • 17 Jan 2026
The Coldwater Rumble is a challenging trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona, featuring distances from 5 miles up to 100 miles. The course winds through desert trails at the foothills of the rugged Sierra Estrella mountain range, offering scenic views and varied terrain including single track, sandy washes, rocks, and old jeep roads. The 100-mile race consists of multiple loops totaling significant elevation gain. The event is part of the Desert Runner Trail Series and emphasizes environmental responsibility with cupless aid stations. Runners enjoy well-stocked aid stations, finisher awards, and a supportive atmosphere in the beautiful Sonoran Desert setting. Visit the organization's website for the most recent information.