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Coldwater Rumble

Goodyear, United States • 17 Jan 2026

The Coldwater Rumble is a premier trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona. It offers multiple distances including 100 miles, 100K, 60K, 40K, 10 miles, and 5 miles, winding through desert trails at the foothills of the rugged Sierra Estrella mountain range. The course features varied terrain such as single track, rocky paths, sandy washes, and jeep roads, with scenic mountain backdrops.

The event is part of the Desert Runner Trail Series and includes well-stocked aid stations, chip timing, and finisher awards. Runners experience significant temperature swings and night running, making preparation essential. The race promotes environmental responsibility with cupless aid stations and encourages volunteer participation. Visit the organization's website for the most recent information.

United States Arizona Goodyear

Race information

Website Registration
100 mi
100 Miler
100 km
100k
60 km
60k
40 km
40k
10 mi
10 Miler
5 mi
5 Miler
Visit the organization's website for the most recent information.
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