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, making it suitable for a wide range of runners. The course features desert trails winding through the rugged Sierra Estrella mountain foothills, with varied terrain such as single track, sandy washes, and rocky paths.
The race is part of the Desert Runner Trail Series and is known for its scenic views, challenging conditions, and well-stocked aid stations. Participants receive finisher awards, with special buckles for 100-mile finishers. The event emphasizes environmental responsibility with cupless aid stations and encourages volunteer support. Visit the organization's website for the most recent information.