Coldwater Rumble

The Coldwater Rumble is a challenging trail running event held at Estrella Mountain Regional Park in Goodyear, Arizona. Set against the rugged Sierra Estrella mountain range, the race offers multiple distances including 100 miles, 100K, 60K, 40K, 10 miles, and 5 miles. The course features diverse desert terrain such as single track trails, rocky sections, sandy washes, and old jeep roads, with scenic mountain backdrops.

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