The Gumby 10k
Granite Bay, United States • 24 Jan 2026
Event overview
The Gumby 5K and 10K trail runs take place on January 24, 2026 at Granite Beach, Folsom Lake State Recreation Area (8000 Douglas Blvd., Granite Bay, CA). The event is organized by TBF Racing. Finisher medals are included for participants, and soft-cotton race shirts are available for pre-order for $20.
Race details and logistics
- Distances:
- Gumby 10K: 6.2 miles
- Gumby 5K: 3.1 miles
The course uses a combination of single-track shoreline trails, groomed trails, and some pavement along the shores of Folsom Lake. Aid stations are located at miles 1, 2.5, 3.5, and 5 and will offer cold water, FLUID Electrolyte beverage, and CLIF Shot gels and Bloks. Listening devices such as MP3 players and headphones are allowed; runners must exercise caution when crossing roads and on trails.
Packet pickup is available at the race site on race morning from 6:30 to 8:00 am. Awards include overall male and female champion awards and custom race plaques three-deep in ten-year age groups; the 5K splits athletes under 19 into two groups: 14 and under, and 15-19. Entry fees vary by date and distance; fees range roughly from $40 to $60 depending on event and registration timing. The organizer has a no-refund policy, with pre-race credit minus a $25 processing fee available in some cases and transfers allowed between events within one year for a $25 fee. All events are held rain or shine. Visit the organization's website for the most recent information.