What race distances can I run in San Dimas?
San Dimas has 5K (4). The 5K is usually the easiest entry point if you are new, and the links above jump straight to each distance.
California · Race calendar
Running Races in San Dimas, California
Upcoming running races in and near San Dimas, California - 5Ks, 10Ks, half marathons and more, with dates, pricing, finish-time stats, start-line maps, and local run clubs to train with.
4 upcoming races · 2 with finish-time stats
By the numbers
The Biggest and Longest-Running
The San Dimas races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
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 Jul 27, 2026.
Common Questions About Racing in San Dimas
How early should I register for a race in San Dimas?
2 of the 4 races in San Dimas already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Where can I train for a race in San Dimas?
Browse San Dimas run clubs on RunSesh to find a training group at your pace.
Are there trail races near San Dimas?
Yes, one race around San Dimas gets you off the pavement: 1 mixes road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.