Fastest half marathons in California
The California half marathons where finishers run fastest, ranked by median finish time over each race's last three years of results.
- 12:01:33median finish
- 22:02:01median finish
- 32:03:15median finish
- 42:03:59median finish
- 5Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco8,599 finishers over 3 yearsLast run Feb 1, 20262:04:03median finish
- 6Bidwell Classic 5K, 10k and Half Marathon March 6th, 2027Chico540 finishers over 3 yearsNext: Mar 6, 20272:05:08median finish
- 72026 - City to the Sea Half Marathon & 5KSan Luis Obispo2,627 finishers over 1 yearLast run Oct 18, 2026 56°F race morning2:05:43median finish
- 82:05:50median finish
- 92:05:57median finish
- 102:06:17median finish
- 112:06:28median finish
- 122:07:50median finish
- 132:08:02median finish
- 14Rotary Mission Ten - Half Marathon, 10 Mile and 5KSan Juan Bautista474 finishers over 3 yearsNext: Jan 30, 20272:08:10median finish
- 152:08:49median finish
- 162:09:07median finish
- 172:09:17median finish
- 182:09:27median finish
- 192:09:30median finish
- 202:09:46median finish
- 212:09:58median finish
- 222:10:00median finish
- 232:11:02median finish
- 24Judgment Day Half Marathon, 10K & 5K Run/WalkBakersfield955 finishers over 3 yearsLast run Oct 4, 2026 67°F race morning2:11:03median finish
- 252:11:48median finish
The top 25 of 81 ranked half marathons in California.
Fastest half marathons by state
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Common questions
What is the fastest half marathon in California?
By the results we track, Alameda Island Running Festival in Alameda: its median finisher runs 2:01:33, 9:16 per mile, over its last 2 years. Next is Beer City Half™ Bishop Ranch at 2:02:01.
How are the races ranked?
By the median finish time of each race's last three years of results: the time half its finishers beat. A race needs at least 200 finishers to be ranked. It reflects the course, the usual weather and who enters: races that draw serious runners rank high.
Which half marathon is best for a personal record?
Look for a flat course, a cool race morning and a field near your pace, so you have people to run with. The races here are where finishers run fastest; check each one's course and weather, shown in its listing.