Coldwater Rumble

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, rocky paths, sandy washes, and old jeep roads. The event includes well-stocked aid stations, chip timing, and finisher awards, with special buckles for 100-mile finishers.

Runners should prepare for significant temperature swings and night running. The race is part of the Desert Runner Trail Series and emphasizes environmental responsibility with cupless aid stations. Visit the organization's website for the most recent information.