SGRAIL Marin - Triathlon & Trail Half Marathon
San Rafael, California5:00 PM startTrail
from Free
RegisterCalifornia half marathons
Half Marathons in California
338 upcoming half marathons in California listed by date, with cities, start times, and entry fees. Find a half marathon near you and register.
338
upcoming races
15
cities with 3+
2:19:26
typical finish
October 2026
from $34.99
RegisterHallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon
San Diego, California6:30 AM start
from $45
RegisterNever Say Die Run Goonies 5K. 10K. Half Marathon An 80s Adventure Movie Inspired Race
Long Beach, California7:00 AM start
from $46.99
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from Free
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from $60
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from $90
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from $60
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from $30
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from $30
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from $30
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from $30
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from $30
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from $30
RegisterLOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MARATHON & MARATHON
San Leandro, California9:00 AM start
from $50
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from $40
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from $85
Register2026 Humboldt Redwoods Marathon, Half Marathon, 5K
Weott, California8:30 AM start
from $60
RegisterSonoma Fall Classic
Geyserville, California5:00 AM startTrail
from $175
RegisterBack to the Future: 88 MPH Dash 5K, 10K & Half
Canoga Park, California7:00 AM start
from $34.99
RegisterNight of the Living Runners – 5K, 10K, 10-Miler, Half Marathon
Long Beach, California7:00 AM start
from $24.50
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from $45
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from $50
RegisterWitches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
Huntington Beach, California7:30 AM start
from $15
RegisterFleet Feet Fall Classic - Trail October 18th, 2026
Chico, California8:00 AM startTrail
Half MarathonOther
from $40
RegisterPinkathon 2026 Virtual and In-Person Challenge for Breast Cancer!
Any Place in the World!, California7:00 AM start
from $25
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from $49
RegisterRunThrough USA Long Beach 5k,10k & Half Marathon Race
Long Beach, California8:00 AM start
from $43.40
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Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K
Malibu, California2:00 PM start
from Free
Register
from $29.50
RegisterTrick or Trot 5K, 10K, and Half Marathon by Califlow Runs
Long Beach, California7:00 AM start
from $15
RegisterHalf marathon results in California
From 224 half marathons with official results in the last two years, 63,950 finishers in all.
2:19:26
typical finish
10:38 /mi
typical pace
97
finishers in a typical race
2:28:13
women, typical finish
2:09:53
men, typical finish
under 1:47:42
the fastest tenth
Entry for upcoming half marathons in California usually runs from $45 to $80, with a typical fee of $50 before processing fees.
Typical times are the middle finisher across these races, weighted by field size. School meets, stair climbs, and results with timing errors are left out.
Fastest half marathons in California
- 1Holiday Half Marathon, 10K (6.65 miles), 5K, Fun Run (1 mile)Goleta · median 1:55:31 · 93 finishers in 2025
- 2Ventura MarathonVentura · median 1:59:58 · 1,588 finishers in 2026
- 3Beer City Half™ Santa RosaSanta Rosa · median 2:00:34 · 199 finishers in 2025
- 4Alameda Island Running FestivalAlameda · median 2:01:48 · 297 finishers in 2026
- 5Visalia Half Marathon and 10K Run/WalkVisalia · median 2:03:06 · 397 finishers in 2026
Biggest half marathons in California
- 1The Hoag OC Marathon Running FestivalCosta Mesa · 10,181 finishers in 2026
- 2La Jolla Half Marathon, 10K, & 5KLa Jolla · 4,796 finishers in 2026
- 3Ventura MarathonVentura · 1,588 finishers in 2026
- 4Presidio Half MarathonSan Francisco · 1,489 finishers in 2026
- 5Two Cities MarathonFresno · 1,478 finishers in 2025
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