San Francisco Bay Area Holiday Runs 2026 — Jingle Bell 5Ks & Santa Races

Bells on the shoelaces, cocoa at the finish: San Francisco Bay Area's December calendar has 9 holiday-season races for 2026 — jingle bell runs, Santa dashes, and ugly-sweater 5Ks. They're the most beginner-friendly races of the year, built for families and first-timers. The next one up is Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run on Sat, Dec 5, 2026. Every listing links straight to registration.

• Sat, Dec 5, 2026 Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run 215 Adelphian Way · Alameda, CA · From $20 5K10K Road
• Sat, Dec 5, 2026 16th Annual Reindeer Run/Walk 2 Eucalyptus Drive · American Canyon, CA · From $40 5K10K Road
• Sat, Dec 12, 2026 Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO Crissy Field (Course Map will be emailed) · San Francisco, CA · From $30 5K10KHalf Marathon Road
• Sat, Dec 12, 2026 Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO Crissy Field (Course Map will be emailed) · San Francisco, CA · From $30 5K10KHalf MarathonMarathon Road
• Sat, Dec 12, 2026 Summit Rock 16055 Sanborn Rd · Saratoga, CA · From $68 5K10KHalf Marathon Road
• Sun, Dec 13, 2026 Silicon Valley Santa Run W Santa Clara St and Almaden Ave · San Jose, CA · From $20 5K Road
• Sat, Dec 26, 2026 A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO Seal Point Park (Course Map will be emailed) · San Mateo, CA · From $30 5K10KHalf Marathon Road
• Sat, Dec 26, 2026 New Year's Run 5K/10K/13.1 SAN FRANCISCO Seal Point Park (Course Map will be emailed) · San Mateo, CA · From $30 5K10KHalf Marathon Road
• Thu, Dec 31, 2026 New Year's One Day Hellyer County Park (Buena Vista Pavilion) · San Jose, CA · From $90 Trail Run Trail

Race-day tip

December races are the best gateway race to give someone: register a friend, then train together through the cold weeks — accountability is the real gift.

Looking beyond december holiday? See every upcoming San Francisco Bay Area race →