23 Upcoming Races Near Union City, CA in December, 2026

Most popular races in California →

Fri, Dec 41 race

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

5K
10K
Trail
Fast
View details for race The Krampus Cross Country 5K, 10K, or Naughty Nine Miler (LIVE or VIRTUAL)!

Sat, Dec 56 races

Peacock Gap Trail Run logo

Peacock Gap Trail Run

San Rafael, CA

Half
Trail
Fast
View details for race Peacock Gap Trail Run
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16th Annual Reindeer Run/Walk logo

16th Annual Reindeer Run/Walk

American Canyon, CA

5K
10K
View details for race 16th Annual Reindeer Run/Walk
Jingle All the Way 5k and 10k 2026 logo

Jingle All the Way 5k and 10k 2026

Mountain House, CA

5K
10K
Fast
View details for race Jingle All the Way 5k and 10k 2026

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

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

Alameda, CA

5K
10K
Trail
View details for race Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run
Stockton Santa Dash! 5K & 10K logo

Stockton Santa Dash! 5K & 10K

Stockton, CA

5K
10K
View details for race Stockton Santa Dash! 5K & 10K

Sun, Dec 62 races

Reindeer Run 5k Fun Run

Union City, CA

5K
View details for race Reindeer Run 5k Fun Run

Baker Beach 5K

San Francisco, CA

5K
View details for race Baker Beach 5K

Sat, Dec 126 races

Race to Whoville logo

Race to Whoville

Manteca, CA

5K
View details for race Race to Whoville
2026 Hark the Herald Half Marathon & 10K logo

2026 Hark the Herald Half Marathon & 10K

Tiburon, CA

Half
10K
Trail
View details for race 2026 Hark the Herald Half Marathon & 10K
50th Annual Holiday Run and Walk for Health logo

50th Annual Holiday Run and Walk for Health

Antioch, CA

5K
1 Mile
View details for race 50th Annual Holiday Run and Walk for Health
Bah! Who-Bug 5K logo

Bah! Who-Bug 5K

Manteca, CA

5K
View details for race Bah! Who-Bug 5K
Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO logo

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

San Francisco, CA

5K
10K
Half
View details for race Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO
Summit Rock logo

Summit Rock

Saratoga, CA

5K
10K
Half
Trail
View details for race Summit Rock

Sun, Dec 132 races

Santa Run Silicon Valley logo

Santa Run Silicon Valley

San Jose, CA

5K
Fast
View details for race Santa Run Silicon Valley
2026 Annual Sausalito Jingle Bell 5K logo

2026 Annual Sausalito Jingle Bell 5K

Sausalito, CA

5K
View details for race 2026 Annual Sausalito Jingle Bell 5K

Sat, Dec 191 race

Woodside Ramble logo

Woodside Ramble

Woodside, CA

5K
10K
Trail
View details for race Woodside Ramble

Sun, Dec 201 race

Rainbow Falls 5K

San Francisco, CA

5K
View details for race Rainbow Falls 5K

Sat, Dec 261 race

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

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

San Mateo, CA

5K
10K
Half
View details for race A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

Sun, Dec 271 race

Stern Grove 4 mile

San Francisco, CA

View details for race Stern Grove 4 mile

Thu, Dec 312 races

New Year's One Day logo

New Year's One Day

San Jose, CA

Ultra
5K
View details for race New Year's One Day
Brazen New Year's Eve 2026 logo

Brazen New Year's Eve 2026

Castro Valley, CA

Half
5K
Trail
View details for race Brazen New Year's Eve 2026