Bah Humbug! 5K Run/Walk
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Event overview
The Bah Humbug! 5K Run/Walk takes place in San Ramon, CA on December 6, 2025. The event includes a chip-timed 5K and a non-timed Kids Dash of approximately 1K for children ages 4-9. Participants receive a holiday long-sleeved shirt and an event ornament. A costume contest will award prizes in categories including Most Grinch-Like, Best Holiday Spirit, and Best Group Theme.
Distances:
- 5K
- ~1K Kids Dash
Logistics and registration
The start and finish are at San Ramon Central Park Community Center, 12501 Alcosta Blvd. Bibs and shirts are available for pick up at Sports Basement, 1041 Market Pl, San Ramon, on the day before the race. Parking is provided in three lots: San Ramon City Hall, San Ramon Community Center, and Iron Horse Middle School; neighborhood and marketplace parking are not available for the event. Road closures will affect Alcosta Blvd, Norris Canyon Road, Executive Parkway, and Camino Ramon on race day.
Registration fees for the 5K vary by date: $35 through October 31, $40 from November 1 through December 5, and $50 on race day. Kids Dash registration is $25 through race day. A group rate of $160 is available for groups of five and a special rate is offered for groups of ten or more. There are no refunds. Medals are given to the top three finishers in each age division for the 5K. Visit the organization's website for the most recent information.