Saturday, December 5th
5K Race Starts at 9:00 am
San Ramon Community Center
Bah Humbug! 5K Run/Walk:
The 2026 Bah Humbug! presented by the City of San Ramon is a great way to start the holiday season off with a healthy fun run or walk through San Ramon. Participants will receive an official 2026 Bah Humbug themed long-sleeved t-shirt, an officia; 2026 official bah Humbug Ornament, as well as, post event snacks, including ice cream. Participants will also be eligible for additioanl award medals based on finishing times. The Bah Humbug! is a chip-timed race.
New Course Map 
Registration Fees:
5K (All Ages)
$35 - through October 31st
$40 - November 1st through December 4th
$55 - on race day
5K Group of 5 - $160.00 (valid anytime)
NO REFUNDS
Special Group Rate of 10 or + (please contact OYM Events for special pricing). A Special Group is considered as a Community Group, Corporate Group, Non-Profit Group; or any Group in which membership or registration is required
Packet Pick Up:
Bibs and shirts will be available for pick up at Sports Basement, 1041 Market Pl, San Ramon, CA 94583, Friday, December 4th from 1:00pm-5:00pm. On-site registration is available during packet pickup.
Costume Contest:
Make sure to come dressed in costume and in the spirit of the run. Costume awards will be given for: Most Grinch-Like, Best Holiday Spirit, and Best Group Theme for those registered in Group of 5 or with the Special Group Rate of 10+
Awards:
Medals are given to the first three finishers in each age division for the 5K. Awards ceremony will be held after the final age group winner crosses the finish line.
Age Divisions:
0-8, 9-12, 13-15, 16-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80-84, 85+
Location:
Start & Finish: San Ramon Central Park Community Center
12501 Alcosta Blvd., San Ramon, CA 94583
Parking Information:
There are three parking lots available for Bah Humbug! event parking.
(Entry closes at 8:00am / South exit open during the event)
(Entry closes at 8:15am / No exit until race completed)
There is no event parking in the neighborhoods surrounding central park or in the marketplace. Please refrain from parking in these areas.
Road Closure Information:
The following road closures will take place on December 6, 2025 due to the Bah Humbug! 5K course:
- South Bound Alcosta Blvd. between Norris Canyon Road and Bollinger Canyon Road will be closed from 5:30am - 11:00am
- East Bound Norris Canyon Road between Alcosta Blvd. and Bishop Drive will be closed from 6:30am - 11:00am
- Executive Parkway between Bishop Drive and Alcosta Blvd (Using BR15 parking lot) will be closed from 7:00am - 11:00am
- Camino Ramon between Norris Canyon Road and 2700 Camino Ramon will be closed from 6:30am - 11:00am
