Javelina Jundred

The Javelina Jundred is a unique ultra running festival taking place on October 25-26, 2025, in Fountain Hills, Arizona. This event features a 100-mile and 100-kilometer trail run, celebrated as a "party ultra" during the Jalloween weekend. The course consists of a five-loop format through the scenic McDowell Mountain Regional Park, showcasing rolling single-track trails.

Participants can also join the Jackass Night Trail, a fun 31K night race. The Javelina Jundred serves as a qualifier for the prestigious Western States 100 Mile Endurance Run, adding to its allure for competitive runners. Visit the organization's website for the most recent information.