Coldwater Hundred
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About the race
Coldwater Hundred is a multi-distance trail running event held January 16–17, 2027 at Estrella Mountain Regional Park in Goodyear, Arizona. Distances offered include:
- 100 Mile
- 100K
- 50K
- 20 Mile
- 10 Mile
- 5 Mile
Courses sit at the foothills of the Sierra Estrella mountains and use a mix of desert trail surfaces: crushed granite single track, rocks, boulders, sandy washes, old jeep roads, and dry wash beds. The 100 Mile course is built from two 10-mile red loops followed by three 27-mile blue loops; the 100K and 50K also combine those colored loops. A 1.5–2 mile section called Corgett Wash can be very sandy depending on weather, and gaiters are recommended.
Aid stations are described as well stocked and the event is cupless with reusable cups available at registration. Timing is chip based with remote split points and live tracking. Crews may access the start/finish area and certain on-course aid; pacers are permitted for the 100 Mile and 100K under specified conditions. Drop bags are allowed at the start/finish for all distances, with limited remote drop bag access for longer distances.
Additional event notes include parking at the competitive track, a park entry fee of $10 per vehicle, camping and tent rental options, and on-site medical support. Visit the organization's website for the most recent information.
