Coldwater Rumble

The Coldwater Rumble, held at Estrella Mountain Regional Park in Goodyear, Arizona, is a premier trail running event featuring multiple distances: 5 miles, 10 miles, 40K, 60K, 100K, and 100 miles. Part of the Aravaipa Running Desert Runner Trail Series, the race courses wind through desert trails along the rugged Sierra Estrella mountain foothills, offering scenic and challenging terrain. The event typically enjoys mild winter weather with average highs in the mid-60s°F.

All finishers receive awards, with special buckles for 100-mile finishers. The race promotes sustainability through cupless participation and encourages community involvement via volunteer opportunities. Visit the organization's website for the most recent information.