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Running EventsHalf MarathonsCalifornia

Half Marathons in California

The half-marathon distance (13.1 miles or 21.1km) is a very popular distance, since it is a serious step up from 10k events but does not require as much training commitment as a full marathon distance. Most beginners will aim to finish a half-marathon in under 2 hours, while anything under 90 minutes is seen as a very impressive achievement. There are a wide variety of half marathon races in California: some make the most of the stunning coastline and ocean views; others take you through the city streets with huge crowds and a vibrant atmosphere; others venture offroad and inland, into the trails and deserts of the Golden State. These half marathon events can also be part of larger running festivals, which offer races at a range of distances. Good examples of this is the Surf City Marathon and Half-Marathon, which has over 20,000 participants each year and is one of the largest annual running events in the USA.

111 events found
Oakland Running Festival

Sunday, 20th Mar 2022

LocationIndicator

Oakland, California

Participants

marathon, half marathon, 5k, 10k

FilledTicket$15 – $140
Booking perksRoad
Shoreline Marathon
Booked 3 times this week

Sunday, 17th Jul 2022

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

Star4.5

(1 reviews)

FilledTicket$45 – $120
Booking perksGreat atmosphereFlat
Livermore Valley Half Marathon

Sunday, 6th Mar 2022

LocationIndicator

Livermore, California

Participants

half marathon

Star5

(4 reviews)

FilledTicket$124
Booking perksGreat atmosphereFlat road
Alameda 10 Miler

Saturday, 27th Aug 2022

LocationIndicator

Alameda, California

Participants

10 miles, half marathon, 5k, 10k

Star5

(1 reviews)

FilledTicket$70 – $100
Booking perksGreat atmosphere
ZombieRunner Quarry Lakes
Booked 1 time this week

Sunday, 12th Dec 2021

LocationIndicator

Fremont, California

Participants

5k, marathon, half marathon, 10k

FilledTicket$20 – $65
Booking perksTrail
Crystal Springs Trail Run (Winter)
Booked 1 time this week

Sunday, 16th Jan 2022

LocationIndicator

Woodside, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$45 – $75
Booking perksHilly trail
Sombrero Half Marathon, 5k & 10k
Booked 19 times this week

Sunday, 23rd Jan 2022

LocationIndicator

Simi Valley, California

Participants

half marathon, 10k, 5k

FilledTicket$50 – $100
Booking perksFlat road
Golden Gate Trail Run (Winter)
Booked 2 times this week

Saturday, 5th Feb 2022

LocationIndicator

Marin County, California

Participants

ultramarathon, marathon, half marathon

Star5

(22 reviews)

FilledTicket$40 – $75
Booking perksGreat atmosphereHilly trail
The Rattlesnake Ramble
Booked 2 times this week

Sunday, 13th Feb 2022

LocationIndicator

San Rafael, California

Participants

5k, 10k, half marathon

Star5

(1 reviews)

FilledTicket$35 – $65
Booking perksGreat atmosphereHilly trail
Seaside Marathon, Half Marathon, 10k & 5k - Ventura CA
Booked 18 times this week

Sunday, 20th Feb 2022

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

Star4

(4 reviews)

FilledTicket$50 – $130
Booking perksGreat atmosphereGreat sceneryRoad
Zoom San Francisco (Spring)

Saturday, 19th Mar 2022

LocationIndicator

San Francisco, California

Participants

half marathon, 10k, 5k

FilledTicket$15 – $55
Booking perksHilly trail
Redwood Trail Run (Spring)

Saturday, 2nd Apr 2022

LocationIndicator

Oakland, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$40 – $75
Booking perksHilly trail
SPASM Lake Chabot

Saturday, 16th Apr 2022

LocationIndicator

Castro Valley, California

Participants

ultramarathon, half marathon, marathon

FilledTicket$40 – $75
Booking perksTrail
Camarillo Marathon, Half Marathon, 10k & 5k

Sunday, 7th Aug 2022

LocationIndicator

Camarillo, California

Participants

marathon, half marathon, 10k, 5k

Star5

(1 reviews)

FilledTicket$35 – $95
Booking perksGreat atmosphereRoad
Holly Jolly Half Marathon, 10k & 5k
Booked 30 times this week

Sunday, 19th Dec 2021

LocationIndicator

Camarillo, California

Participants

half marathon, 10k, 5k

FilledTicket$50 – $100
Booking perksRoad
Montara Mountain

Sunday, 13th Feb 2022

LocationIndicator

Pacifica, California

Participants

marathon, half marathon, 10k

FilledTicket$40 – $75
Booking perksTrail
Arroyo Creek Half Marathon, 10k & 5k - Simi Valley, CA
Booked 1 time this week

Sunday, 26th Jun 2022

LocationIndicator

Simi Valley, California

Participants

half marathon, 10k, 5k

FilledTicket$45 – $85
Booking perksFlat road
Surf City Marathon and Half Marathon

Sunday, 6th Feb 2022

LocationIndicator

Huntington Beach, California

Participants

marathon, half marathon, 5k

Star5

(1 reviews)

FilledTicketPrice TBC
Great atmosphereFlat road
Carlsbad Marathon, Half Marathon and Surf Fun Run 5k

Sunday, 16th Jan 2022

LocationIndicator

Carlsbad, California

Participants

marathon, half marathon, 5k

Star5

(1 reviews)

FilledTicketPrice TBC
Great atmosphereRoad
Kaiser Permanente San Francisco Half Marathon,10k & 5k

Sunday, 6th Feb 2022

LocationIndicator

San Francisco, California

Participants

half marathon, 10k, 5k

Star4.5

(1 reviews)

FilledTicketPrice TBC
Great atmosphereFlat road
Long Beach Marathon

Sunday, 9th Oct 2022

LocationIndicator

Long Beach, California

Participants

5k, marathon, half marathon

FilledTicketPrice TBC
Beach
Silver Strand Half Marathon

Sunday, 13th Nov 2022

LocationIndicator

Coronado, California

Participants

5k, 10 miles, half marathon

FilledTicketPrice TBC
Trail
La Jolla Half Marathon & 5k

Saturday, 11th Dec 2021

LocationIndicator

Del Mar, California

Participants

half marathon, 5k

FilledTicketPrice TBC
Great sceneryFlat road
Santa To The Sea Half Marathon & 5k

Sunday, 12th Dec 2021

LocationIndicator

Oxnard, California

Participants

half marathon, 5k

FilledTicketPrice TBC
Road
Showing 1 - 24 of 111 events

About Half Marathons in California

Half marathons (13.1 miles or 21.2 km) make up some of the toughest and most rewarding races in the Golden State. California boasts some of the most scenic half marathons; from the headlands of San Francisco in the Golden Gate Headlands Marathon & Half to the wilderness of Santa Cruz island in the Santa Cruz Island Eco-Extreme Trail Half Marathon, you'll never run out of places to explore.

Frequently asked questions

What are the best half marathons in California?
Some of the best half marathons in California are the Napa to Sonoma Wine Country Half Marathon, the La Jolla Half Marathon, and the Surf City Half Marathon. To start off the new year on a high, there is the Brazen New Year’s Day Half Marathon.
How far is a half marathon?
A half marathon is 13.1 miles or 21.1 km long, exactly half the length of a marathon.
How long does it take to train for a half marathon?
Training for a half marathon takes at least 12 weeks for a beginner, approximately 8 weeks for an intermediate runner, and as little as 6 weeks for a more experienced runner already in the habit of running. There are many training plans available to prepare for a half marathon.
What is the average finish time for half marathons?
The average half marathon finish time across all runners over the last few years is about 1h54m for men, and 2h10m for women.
What is the world record for a half marathon?
The men's world record for a half marathon is 58:18 minutes, and is held by Kenyan Abraham Kiptum and the women's record is 64:51 minutes, set by Joyciline Jepkosgei, also from Kenya.
What is the fastest half marathon in the world?
Both the men’s and women’s world records for the half marathon were set at the Valencia Half Marathon in Spain.
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