The Desert Solstice 24 Hour Run returns to Phoenix, Arizona on December 19th, offering runners the chance to qualify for the USA 24 hour national team in a challenging yet rewarding track event. Set at Camelback High School's all-weather track, this race is known for its rigorous nature and high standards of performance. The entry fee applies equally across genders and age groups, with specific qualifying times required as detailed on the race website. On race morning, runners will find themselves facing a 400-meter circular track that winds through the campus grounds of Camelback High School in Phoenix. With clear skies expected and mild temperatures forecasted for early December, participants can anticipate cool but manageable weather conditions throughout their endurance challenge. The atmosphere is one of camaraderie and determination as athletes from various backgrounds come together to push their limits. Since its inception, Desert Solstice has grown into a significant event on the ultra-running calendar, attracting hundreds of runners each year who aim to qualify for national teams or set personal bests in extreme conditions. Participants not only compete but also contribute to local scholarship funds and community development initiatives through their registration fees. The race's reputation as an essential qualifier for major international championships underscores its importance within the sport. The 400-meter certified track at Camelback High School provides a consistent challenge with regular changes of direction every four hours, adding variety and strategic planning elements throughout the event duration. Bib chip timing systems are used to record lap times accurately, ensuring that all results meet USATF standards for official records submission. Runners have the flexibility to leave the track temporarily as long as they return to their exact starting point before continuing. Weather conditions on race day will likely feature firm and slightly soft trail conditions with a low UV index of 2.0, indicating minimal risk from sun exposure but requiring proper hydration due to moderate temperatures expected in early December. Participants should prepare for variable wind speeds and the possibility of minor precipitation as they endure this demanding endurance test.
24hrs 24 Hours • Start: 08:00:00 • Fee: $325.00
To register, visit https://ultrasignup.com/register.aspx?did=135023 and follow the instructions to apply for your qualifying slot based on listed standards. Bib pickup will be available at Camelback High School from December 17th through the morning of the event; runners must bring photo ID and confirmation email as proof of registration. The start location is located at 4612 N 28th St, Phoenix, AZ. Participants should note age requirements are strict, with no exceptions for minors without parental consent. Newcomers to Desert Solstice can find more detailed race day information on the event website or by contacting organizers directly via email. The Desert Solstice 24 Hour Run in Phoenix, Arizona on December 19th is a testament to the resilience and dedication of ultra-runners aiming to reach national standards for world championships. The combination of rigorous qualification criteria and supportive community ensures that every participant experiences not just a race but also an inclusive event with substantial local impact.
Races Offered
24hrs
Dec 19, 2026
straighten
Distance —
24 Hours
terrain
Type —
Running
timer
08:00
sell
$325.00
Weather History
These values represent the 3-year monthly averages for December in Phoenix.
thermostatTemperature
8.0° / 21.3°
wb_sunnyFeels like
5.0° / 18.4°
light_mode
Avg sunshine hours
8h 34m
water_drop
Avg rainfall
0.6 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
5.2 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.0)
humidity_mid
Humidity
43.5%
wb_twilight
Sunrise
07:24
nightlight
Sunset
17:23
About Phoenix
Learn more about the host city, Phoenix.
Phoenix is the capital of the state of Arizona, the most populous city in the American Southwest. Warm and sunny winter weather have ensured a thriving tourism industry, and the city has become the region's primary political, cultural, economic, and transportation center. Phoenix is extremely hot and dry in the summertime, so always have sunscreen with you! It had about 1,625,000 residents in 2021, and is the fifth largest city in the United States.