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Upcoming 5K Races Near San Ramon, CA in December, 2025

The Krampus Cross Country 5K, 10K, or Naughty Nine Miler (LIVE or VIRTUAL)! logo

The Krampus Cross Country 5K, 10K, or Naughty N...

San Francisco, CA

Friday, December 5th, 2025

5K
10K
Trail
Fast
View details for race The Krampus Cross Country 5K, 10K, or Naughty Nine Miler (LIVE or VIRTUAL)!
Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run logo

Midway Shelter Winter Run / Walk ~ 5k, 10k and ...

Alameda, CA

Saturday, December 6th, 2025

5K
View details for race Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run
14th Annual Reindeer Run/Walk logo

14th Annual Reindeer Run/Walk

American Canyon, CA

Saturday, December 6th, 2025

10K
5K
View details for race 14th Annual Reindeer Run/Walk
ZombieRunner Quarry Lakes logo

ZombieRunner Quarry Lakes

Fremont, CA

Saturday, December 6th, 2025

5K
10K
Half
Trail
Fast
View details for race ZombieRunner Quarry Lakes
Santa Run Silicon Valley logo

Santa Run Silicon Valley

San Jose, CA

Sunday, December 14th, 2025

5K
Fast
View details for race Santa Run Silicon Valley
New Year's One Day logo

New Year's One Day

San Jose, CA

Wednesday, December 31st, 2025

Ultra
5K
View details for race New Year's One Day

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