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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.

88 events found
California Seaside Marathon, Half Marathon, 10k & 5k - 2023

Sunday, 12 Feb 2023

California Seaside Marathon, Half Marathon, 10k & 5k - 2023

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

FilledTicket$55 – $140
Booking perksGreat sceneryRoad
Run Laughlin Half Marathon, 5k & 12k

Saturday, 3 Dec 2022

Run Laughlin Half Marathon, 5k & 12k

LocationIndicator

Laughlin, Nevada

Participants

half marathon, 5k

Star5

(14 reviews)

FilledTicket$40 – $320
Booking perksGreat atmosphereHilly road
Santa Hustle - Roseville

Sunday, 11 Dec 2022

Santa Hustle - Roseville

LocationIndicator

Roseville, California

Participants

half marathon, 5k

FilledTicket$10 – $74.99
Booking perksFlat road
Holly Jolly Half Marathon, 10k & 5k

Sunday, 18 Dec 2022

Holly Jolly Half Marathon, 10k & 5k

LocationIndicator

Camarillo, California

Participants

half marathon, 10k, 5k

Star5

(5 reviews)

FilledTicket$55 – $110
Booking perksGreat atmosphereRoad
Sombrero Half Marathon, 5k & 10k

Sunday, 29 Jan 2023

Sombrero Half Marathon, 5k & 10k

LocationIndicator

Simi Valley, California

Participants

half marathon, 10k, 5k

Star4.5

(2 reviews)

FilledTicket$55 – $110
Booking perksGreat atmosphereFlat road
Moonlight Beach Half Marathon

Sunday, 19 Mar 2023

Moonlight Beach Half Marathon

LocationIndicator

Encinitas, California

Participants

half marathon, 5k, 10k

FilledTicket$56 – $99
Booking perksFlat road
Valencia Trail Race

Saturday, 25 Mar 2023

Valencia Trail Race

LocationIndicator

Santa Clarita, California

Participants

10k, ultramarathon, half marathon

FilledTicket$100 – $160
Booking perksTrail
Sugar Daddy Half Marathon, 10k & 5k

Saturday, 17 Jun 2023

Sugar Daddy Half Marathon, 10k & 5k

LocationIndicator

Santa Clarita, California

Participants

half marathon, 5k, 10k

Star4.5

(1 reviews)

FilledTicket$35 – $135
Booking perksGreat atmosphereFlat road
Arroyo Creek Half Marathon, 10k & 5k - Simi Valley, CA 2023

Sunday, 25 Jun 2023

Arroyo Creek Half Marathon, 10k & 5k - Simi Valley, CA 2023

LocationIndicator

Simi Valley, California

Participants

5k, 10k, half marathon

FilledTicket$45 – $95
Booking perksFlat road
Shoreline Marathon 2023

Sunday, 16 Jul 2023

Shoreline Marathon 2023

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

FilledTicket$45 – $130
Booking perks
Oaktown Half Marathon, 5k & Kid's Race 2023

Saturday, 9 Sept 2023

Oaktown Half Marathon, 5k & Kid's Race 2023

LocationIndicator

Oakland, California

Participants

half marathon, 5k

FilledTicket$19 – $163
Booking perksFlat road
Calero Trail Run (Winter)

Saturday, 3 Dec 2022

Calero Trail Run (Winter)

LocationIndicator

San Jose, California

Participants

5k, 10k, half marathon, marathon, ultramarathon

FilledTicketPrice TBC
Hilly trail
Death Valley Marathon & Half Marathon

Saturday, 3 Dec 2022

Death Valley Marathon & Half Marathon

LocationIndicator

Inyo County, California

Participants

half marathon, marathon, 10k

FilledTicketPrice TBC
Great sceneryFlat road
Peacock Gap Trail Run

Saturday, 3 Dec 2022

Peacock Gap Trail Run

LocationIndicator

Santa Venetia, California

Participants

half marathon, 10k, 5k

FilledTicketPrice TBC
Trail
Heavenly Half Marathon

Sunday, 4 Dec 2022

Heavenly Half Marathon

LocationIndicator

Shaver Lake, California

Participants

half marathon

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

Saturday, 10 Dec 2022

Santa To The Sea Half Marathon & 5k

LocationIndicator

Oxnard, California

Participants

half marathon, 5k

FilledTicketPrice TBC
Road
Summit Rock Half Marathon, 10K & 5K

Saturday, 10 Dec 2022

Summit Rock Half Marathon, 10K & 5K

LocationIndicator

Saratoga, California

Participants

10k, 5k, half marathon

FilledTicketPrice TBC
Flat trail
The Hoover Dam Marathon

Saturday, 10 Dec 2022

The Hoover Dam Marathon

LocationIndicator

Boulder City, Nevada

Participants

10k, half marathon, 5k, marathon

FilledTicketPrice TBC
Hark the Herald Angels Half Marathon & 10k

Saturday, 10 Dec 2022

Hark the Herald Angels Half Marathon & 10k

LocationIndicator

Tiburon, California

Participants

10k, half marathon

FilledTicketPrice TBC
Great sceneryHilly trail
Lopers Club Holiday Classic Half Marathon, 5k & Elves' Trot

Sunday, 11 Dec 2022

Lopers Club Holiday Classic Half Marathon, 5k & Elves' Trot

LocationIndicator

Loma Linda, California

Participants

half marathon, 5k

FilledTicketPrice TBC
Flat road
Santa Hustle Roseville

Sunday, 11 Dec 2022

Santa Hustle Roseville

LocationIndicator

Roseville, California

Participants

5k, 10k, half marathon

FilledTicketPrice TBC
Flat road
San Diego Holiday Half Marathon

Saturday, 17 Dec 2022

San Diego Holiday Half Marathon

LocationIndicator

San Diego, California

Participants

half marathon

Star4

(2 reviews)

FilledTicketPrice TBC
Great atmosphereFlat trail
San Diego Holiday Half Marathon

Saturday, 17 Dec 2022

San Diego Holiday Half Marathon

LocationIndicator

San Diego, California

Participants

half marathon

FilledTicketPrice TBC
Woodside Ramble

Saturday, 17 Dec 2022

Woodside Ramble

LocationIndicator

Woodside, California

Participants

10k, half marathon

FilledTicketPrice TBC
Great sceneryFlat trail
Showing 1 - 24 of 88 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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