When in March are most half marathons held?
The busiest weekend in California is March 20 and March 21, with 13 of them. One more falls on a weekday, which is worth knowing if you are traveling for it.
Race calendar · March 2027 · California
Half Marathons in California in March 2027
Every Half Marathon in California in March 2027, all 34 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
March Half Marathons, By the Numbers
2:22:35Median finish time
1:19:08Median winning time
140Median field size
9March half marathons 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 March
The March Race Weekends
Half marathons are not spread evenly across March. 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 Field
The largest field of any March Half Marathon in California, from the most recent published results.
California Half Marathons by City in March
All Half Marathons in California in March
34 total Sat, Mar 6, 2027Bidwell Classic 5K, 10K and Half Marathon Chico, CAFrom $75Details Sat, Mar 6, 2027Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon Long Beach, CAFrom $49Details Sun, Mar 7, 2027Run Through Redlands Redlands, CAFrom $90Details Sun, Mar 7, 2027Tesoro Viejo Spring Classic Half Marathon Madera, CAFrom $90Details Sun, Mar 7, 2027She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon Long Beach, CAFrom $60Details Fri, Mar 12, 2027The Rattlesnake Ramble 5K/10K/Half Marathon Santa Venetia, CARegistration closedFrom $80Details Sat, Mar 13, 2027Zoom San Francisco San Francisco, CAFrom $70Details Sat, Mar 13, 2027Beer City Half™ San Diego San Diego, CAFrom $103Details Sat, Mar 13, 2027Mojave Half Marathon & 10K Twentynine Palms, CAFrom $60Details Sun, Mar 14, 2027The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon Long Beach, CAFrom $49Details Sun, Mar 14, 2027Silicon Valley Half Marathon San Jose, CAFrom $119Details Sat, Mar 20, 2027VALENCIA Trail Race Valencia, CAFrom $147Details Sat, Mar 20, 2027Redwood (Spring) Trail Run Oakland, CAFrom $70Details Sat, Mar 20, 2027Finish The Ride and Finish The Run Griffith Park Los Angeles, CAFrom $70Details Sat, Mar 20, 2027Fort Bragg Whale Run and Walk Fort Bragg, CAFrom $45Details Sat, Mar 20, 2027Beer City Half™ Long Beach Long Beach, CAFrom $95Details Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 LOS ANGELES Los Angeles, CAFrom $45Register Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 SACRAMENTO Sacramento, CAFrom $45Register Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 SAN DIEGO San Diego, CAFrom $45Register Sat, Mar 20, 2027Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $45Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 LOS ANGELES Los Angeles, CAFrom $45Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 SACRAMENTO Sacramento, CAFrom $45Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO San Diego, CAFrom $45Register Sat, Mar 20, 2027St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANCISCO San Mateo, CAFrom $45Register Sat, Mar 27, 2027The Rabbit Run 5k & OC Challenge Wild Hare 5k & Half Marathon Irvine, CAFrom $80Details Sat, Mar 27, 2027Como La Flor 5K. 10K, Half Marathon by Califlow Runs Long Beach, CAFrom $60Details Sat, Mar 27, 2027Always Hope Easter Run LOS ANGELES Los Angeles, CAFrom $45Register Sat, Mar 27, 2027Always Hope Easter Run SACRAMENTO Sacramento, CAFrom $45Register Sat, Mar 27, 2027Always Hope Easter Run SAN DIEGO San Diego, CAFrom $45Register Sat, Mar 27, 2027Always Hope Easter Run SAN FRANCISCO San Francisco, CAFrom $45Register Sat, Mar 27, 2027SuperHeroes Run LOS ANGELES Los Angeles, CAFrom $45Register Sat, Mar 27, 2027SuperHeroes Run SACRAMENTO Sacramento, CAFrom $45Register Sat, Mar 27, 2027SuperHeroes Run SAN DIEGO San Diego, CAFrom $45Register Sat, Mar 27, 2027SuperHeroes Run SAN FRANCISCO San Francisco, CAFrom $45Register
Common Questions About Running a March Half Marathon in California
What is a good Half Marathon time?
Across the 9 of these March half marathons with published results from past editions, the median finisher ran 2:22:35, and the median winning time was 1:19:08. So anything under 2:22:35 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 March Half Marathon field?
The median one finished 140 runners, across the 9 of these March half marathons 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 3:49:43.
Are there trail half marathons in California in March?
Yes, 3 races around California get you off the pavement: 1 is a trail race, and 2 mix road and trail.