17 Upcoming Races Near San Francisco, CA in December, 2026

Fri, Dec 41 race

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

San Francisco, CA

5K, 10K

Sat, Dec 54 races

Peacock Gap Trail Run

San Rafael, CA

Half

Jingle All the Way 5k and 10k 2026

Mountain House, CA

5K, 10K

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

Alameda, CA

5K, 10K

16th Annual Reindeer Run/Walk

American Canyon, CA

5K, 10K

Sun, Dec 62 races

Sat, Dec 124 races

2026 Hark the Herald Half Marathon & 10K

Tiburon, CA

Half, 10K

Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, CA

5K, 10K, Half

50th Annual Holiday Run and Walk for Health

Antioch, CA

5K, 1 Mile

Summit Rock

Saratoga, CA

5K, 10K, Half

Sun, Dec 131 race

2026 Annual Sausalito Jingle Bell 5K

Sausalito, CA

5K

Sat, Dec 191 race

Woodside Ramble

Woodside, CA

5K, 10K

Sun, Dec 201 race

Sat, Dec 261 race

A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

San Mateo, CA

5K, 10K, Half

Sun, Dec 271 race

Thu, Dec 311 race

Brazen New Year's Eve 2026

Castro Valley, CA

Half, 5K