5k Races in San Diego, California
Explore 5k events in San Diego, California during December 2025.
By Month
By Race Type
Top Events
The Krampus Cross Country 5k, 10k, Or Naughty Nine Miler (live Or Virtual)!
5K10K
San Francisco, CA
Mon, Dec 8, 2025
8:00 AM PST
Run For Mental Health 5k/10k/13.1 San Diego
5K10K1 Mile
San Diego, CA
Sat, Dec 13, 2025
7:30 AM PST
Run For Mental Health 5k/10k/13.1 San Francisco
5K10K1 Mile
San Francisco, CA
Sat, Dec 13, 2025
7:30 AM PST
San Diego Holiday Half Marathon & 5k
5KHalf-Marathon
San Diego, CA
Sat, Dec 20, 2025
7:30 AM PST
Santa Run Silicon Valley
5K
San Jose, CA
Sun, Dec 21, 2025
New Year's Run 5k/10k/13.1 San Diego
5K10K1 Mile
San Diego, CA
Sat, Dec 27, 2025
7:30 AM PST
New Year's Run 5k/10k/13.1 San Francisco
5K10K1 Mile
San Francisco, CA
Sat, Dec 27, 2025
7:30 AM PST