When are most 5K races held in San Mateo?
November is the busiest month for 5K races in San Mateo, with 2 of the 4, followed by December with 2. If you are flexible on the date, that is the quickest way to narrow things down.
California · 5K
2026 5K Races in San Mateo, California
Every upcoming 5K around San Mateo, with start times, entry fees, finish-time stats from past editions, start-line maps, and the local run clubs to train with.
4 upcoming 5K races found
Sat, Nov 28, 2026Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $30Register Sat, Nov 28, 2026Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $30Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $30Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $30Register
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 17, 2026.
Common Questions About Running a 5K in San Mateo
Where can I train for a 5K in San Mateo?
Browse San Mateo run clubs on RunSesh to find a training group at your pace.