The Coldwater Hundred returns to Goodyear, Arizona on January 16th, featuring a variety of distances for runners of all levels. Participants can choose from the full hundred miler down to shorter options like the five-miler and everything in between. The event takes place at Estrella Mountain Regional Park within the city limits of Goodyear.
100 Miler
160.9K • Start: 07:00:00 • Fee: $300.00
100K
100K • Start: 07:15:00 • Fee: $170.00
50K
50K • Start: 07:30:00 • Fee: $130.00
20 Miler
32.2K • Start: 08:00:00 • Fee: $90.00
10 Miler
16.1K • Start: 08:30:00 • Fee: $70.00
5 Miler
8K • Start: 08:45:00 • Fee: $45.00
Race morning typically brings clear skies and cool temperatures suitable for running, with average highs around 65 degrees Fahrenheit and lows dipping into the mid-40s. Runners will experience firm but slightly soft trail conditions throughout the course, making it ideal for both fast times and scenic views. The park's desert trails wind through the Sierra Estrella foothills, offering rugged terrain that challenges even experienced runners.
Established as a cornerstone event in Goodyear’s running community, Coldwater Hundred has been supporting local charities since its inception. Funds raised from registration fees support various initiatives within the city, including scholarships for youth and community development projects. Over 100 volunteers help ensure smooth operations each year by staffing aid stations, managing timing systems, and providing other crucial services.
The course at Estrella Mountain Regional Park follows desert trails that wind through the foothills of Sierra Estrella with varying terrain features throughout its length. Runners will start and finish near the same location on West Vineyard Avenue in Goodyear where aid stations provide hydration and snacks along the route. The elevation profile remains relatively flat, making it an accessible challenge for runners looking to push their limits.
January weather in Goodyear typically sees temperatures ranging from around 45 degrees Fahrenheit at dawn up to a high of about 67 degrees by noon with little precipitation expected during race hours. UV index levels are low, reducing the risk of sunburn but still requiring sunscreen application if spending extended periods outdoors under clear skies.
The Coldwater Hundred offers runners distances including the 100 miler, 100K, 50K, 20 miler, 10 miler and a five-miler. Registration is available online via [https://ultrasignup.com/register.aspx?did=138367](https://ultrasignup.com/register.aspx?did=138367) until the Monday before race day when late registration becomes available at packet pickup locations instead.
Packet pickup occurs on January 14th and 15th, offering runners an opportunity to collect their bib numbers and other essential items for race day. Participants should bring photo identification along with a printed confirmation email or digital ticket from online registration. The start location is at Estrella Mountain Regional Park’s competitive track address: 14805 West Vineyard Avenue.
Participants must be aged eighteen years old or older to compete in this event unless accompanied by an adult guardian if younger than sixteen years of age due to safety regulations set forth by Arizona state law. All runners are advised to familiarize themselves with the race route map and local weather forecasts prior to attending for optimal preparation given that Goodyear hosts one of the driest climates among major cities in America.
The Coldwater Hundred, taking place on January 16th in Goodyear, Arizona, draws hundreds of endurance athletes eager to challenge their limits while contributing positively towards community initiatives supported by race proceeds.
