When in April are most 10K races held?
The busiest weekend in California is April 10 and April 11, with 16 of them, 13 of those on Saturday, April 10. Every one of them is on a Saturday or a Sunday.
Race calendar · April 2027 · California
10K Races in California in April 2027
Every 10K in California in April 2027, all 45 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
April 10K Races, By the Numbers
1:08:41Median finish time
38:22Median winning time
121Median field size
13April 10K races with published results
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 Nov 12, 2026.
When in April
The April Race Weekends
10K races are not spread evenly across April. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest and Longest-Running
The April 10K races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
California 10K Races by City in April
All 10K Runs in California in April
45 total Sat, Apr 3, 2027Bedrock Valley Trail Runs Hemet, CAFrom $65Details Sat, Apr 3, 2027RunThrough USA Long Beach 5k,10k & Half Marathon Race Long Beach, CAFrom $58Details Sat, Apr 3, 2027The Cobra 5Kai, 10Kai & Half Miyagithon Canoga Park, CAFrom $35Details Sat, Apr 3, 2027Matcha for Miles Fresno, CAFrom $40Details Sat, Apr 3, 2027Release the Kraken 5K. 10K. 18 Miler & 50K Long Beach, CAFrom $45Details Sun, Apr 4, 2027Bakersfield Marathon Bakersfield, CAFrom $60Details Sun, Apr 4, 2027Modesto Marathon Modesto, CAFrom $70Details Sun, Apr 4, 2027Penn Valley Daffodil Race 2027 Penn Valley, CARegistration opens Jan 1, 2027From $40Details Sat, Apr 10, 2027Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M Agoura Hills, CAFrom $59Details Sat, Apr 10, 20274th Annual Porterville 5K/10K Trail Run Porterville, CAFrom $20Details Sat, Apr 10, 2027Autism on the Run Bakersfield, CAFrom $45Details Sat, Apr 10, 2027San Diego Beach & Bay Half Marathon San Diego, CAFrom $70Details Sat, Apr 10, 2027Sloth Run 5K/10K/13.1 LOS ANGELES Los Angeles, CAFrom $42Register Sat, Apr 10, 2027Sloth Run 5K/10K/13.1 SACRAMENTO Sacramento, CAFrom $42Register Sat, Apr 10, 2027Sloth Run 5K/10K/13.1 SAN DIEGO San Diego, CAFrom $42Register Sat, Apr 10, 2027Sloth Run 5K/10K/13.1 SAN FRANCISCO San Francisco, CAFrom $42Register Sat, Apr 10, 2027Run for PB&J 5k/10k/13.1 LOS ANGELES Los Angeles, CAFrom $42Register Sat, Apr 10, 2027Run for PB&J 5k/10k/13.1 SACRAMENTO San Francisco, CAFrom $42Register Sat, Apr 10, 2027Run for PB&J 5k/10k/13.1 SAN DIEGO San Diego, CAFrom $42Register Sat, Apr 10, 2027Run for PB&J 5k/10k/13.1 SAN FRANCISCO San Francisco, CAFrom $42Register Sat, Apr 10, 2027Hip~Hop Half: Long Beach Long Beach, CAFrom $45Details Sun, Apr 11, 2027The RODEO RUN 5K/10K Huntington State Beach, CAFrom $45Details Sun, Apr 11, 2027Morgan Hill AAUW Wildflower Run Morgan Hill, CARegistration opens Nov 13From $55Details Sun, Apr 11, 2027Beer City San Francisco San Francisco, CARegistration opens Dec 1From $75Details Sat, Apr 17, 2027California Classic Half Marathon Fresno, CAFrom $65Details Sat, Apr 17, 2027Badger Cove Livermore, CARegistration opens Jan 1, 2027From $73Details Sat, Apr 17, 2027Run for the Planet - 5K, 10K, 10M, and Half Marathon Long Beach, CAFrom $29Details Sat, Apr 17, 2027Run for the Planet - 5K, 10K, Half Marathon Long beach, CAFrom $43Details Sat, Apr 17, 2027Wild Flowers 10k Auburn, CARegistration opens Feb 28, 2027From $80Details Sun, Apr 18, 2027Mountains 2 Beach Marathon and Half Ventura, CAFrom $93Details Sun, Apr 18, 2027Alameda Island Running Festival Alameda, CAFrom $60Details Sun, Apr 18, 2027Dolphin Dash - 5K, 10K, and Half Marathon Santa Monica, CAFrom $29Details Sat, Apr 24, 2027Kiwanis El Segundo PTA Run for Education 5K El Segundo, CAFrom $45Details Sat, Apr 24, 2027Running Is For The Birds - 5K, 10K, Kids Run & Walk Huntington Beach, CAFrom $45Details Sat, Apr 24, 2027Nail the Rail Half Marathon, 10K & 5K Shasta Lake, CAFrom $39Details Sat, Apr 24, 20277th Annual High Five Color Run Stockton, CAFrom $50Details Sat, Apr 24, 2027Coffee Lovers Run LOS ANGELES Los Angeles, CAFrom $42Register Sat, Apr 24, 2027Run for Donuts LOS ANGELES Los Angeles, CAFrom $42Register Sat, Apr 24, 2027Coffee Lovers Run SACRAMENTO Sacramento, CAFrom $42Register Sat, Apr 24, 2027Coffee Lovers Run SAN DIEGO San Diego, CAFrom $42Register Sat, Apr 24, 2027Coffee Lovers Run SAN FRANCISCO San Francisco, CAFrom $42Register Sat, Apr 24, 2027Run for Donuts SACRAMENTO Sacramento, CAFrom $42Register Sat, Apr 24, 2027Run for Donuts SAN DIEGO San Diego, CAFrom $42Register Sat, Apr 24, 2027Run for Donuts SAN FRANCISCO San Francisco, CAFrom $42Register Sun, Apr 25, 2027Aut2Run for Autism (15K, 5K, 10K, Fun-K, 1 Mile) Camarillo, CAFrom $50Details
Common Questions About Running an April 10K in California
What is a good 10K time?
Across the 13 of these April 10K races with published results from past editions, the median finisher ran 1:08:41, and the median winning time was 38:22. So anything under 1:08:41 puts you in the faster half of a typical field. That is the middle of these RunSignup fields, walkers and charity entrants included, not a national average.
How big is a typical April 10K field?
The median one finished 121 runners, across the 13 of these April 10K races with published results from past editions. Most are far smaller than the big-city events people picture, which means less crowding at the start and a friendlier field, with a last recorded finisher at 1:59:33.
Are there trail 10K races in California in April?
Yes, 2 races around California get you off the pavement: 2 are trail races.