Register now for the 21st Annual Chunky Monkey Run on Sunday, July 20, 2025! This summer favorite is a fantastic addition to your seasonal activities. Whether you choose the 10K, 5K Run, 5K Walk, or Kids' K, there’s an event for everyone! Join hundreds of participants on this fast, flat loop course in the North Valley's heart.

Participants will be eligible for age group and overall awards, including medals and a stylish Chunky Monkey Run t-shirt. Enjoy delightful summer treats at the finish line, and don’t miss our misting tunnel and super soaker area for Kids K to cool off! 

For more information, please visit www.irunfit.org. Proceeds from the event benefit RunFit’s afterschool youth running programs and school-based initiatives like “Fifteen and Fit” to promote youth running and fitness. 

Join us in promoting long-term health and building community, one event at a time!