Coldwater Rumble

The Coldwater Rumble is a trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona, featuring multiple race distances including 100 miles, 100K, 60K, 40K, 10 miles, and 5 miles. The course winds through desert trails along the rugged Sierra Estrella mountains, offering scenic views and varied terrain such as single track, rocky sections, sandy washes, and jeep roads. Races are designed to challenge runners with significant elevation gains and temperature swings from day to night.

The event fosters a supportive atmosphere with well-stocked aid stations, live tracking, and a focus on sustainability through cupless policies. It is part of the Desert Runner Trail Series, emphasizing community, endurance, and desert adventure. Visit the organization's website for the most recent information.