Desert Solstice

The Desert Solstice 24 Hour and 100 Mile Track Invitational is a premier ultrarunning event held at Central High School Track in Phoenix, AZ. Scheduled for December 20-21, 2025, this competitive meet is designed for elite runners aiming to set national and world records. The event features a limited entry of 25 runners for both the 24-hour and 100-mile races, with strict qualification standards.

It serves as a qualifier for the USA 24 Hour National Team and has seen numerous records set, including 100 national and 15 world records. Prize money is awarded for exceptional performances, encouraging athletes to achieve their best. Visit the organization's website for the most recent information.