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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.

109 events found
Long Beach Classic Half & 5k

Sunday, Aug 14, 2022

Long Beach Classic Half & 5k

LocationIndicator

Long Beach, California

Participants

half marathon, 5k

FilledTicket$35 – $200
Booking perksFlat road
HeartOutline
Shoreline Marathon

Sunday, Jul 17, 2022

Shoreline Marathon

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

Star4.5

(1 reviews)

FilledTicket$45 – $140
Booking perksGreat atmosphereFlat
HeartOutline
Camarillo Marathon, Half Marathon, 10k & 5k

Sunday, Aug 7, 2022

Camarillo Marathon, Half Marathon, 10k & 5k

LocationIndicator

Camarillo, California

Participants

marathon, half marathon, 10k, 5k

Star5

(1 reviews)

FilledTicket$35 – $140
Booking perksGreat atmosphereRoad
HeartOutline
Alameda 10 Miler

Saturday, Aug 27, 2022

Alameda 10 Miler

LocationIndicator

Alameda, California

Participants

10 miles, half marathon, 5k, 10k

Star5

(1 reviews)

FilledTicket$70 – $115
Booking perksGreat atmosphere
HeartOutline
Bizz Johnson Trail Races

Saturday, Sep 3, 2022

Bizz Johnson Trail Races

LocationIndicator

Susanville, California

Participants

half marathon, ultramarathon, marathon, 10k

FilledTicket$35 – $105
Earlybird entry - ends soon
Booking perksHilly trail
HeartOutline
Oaktown Half Marathon, 5k & Stomper's Stomp

Saturday, Sep 10, 2022

Oaktown Half Marathon, 5k & Stomper's Stomp

LocationIndicator

Oakland, California

Participants

half marathon, 5k

Star4.5

(1 reviews)

FilledTicket$19 – $183
Booking perksGreat atmosphereRoad
HeartOutline
The Honey Badger Half, 10k & 5k

Sunday, Sep 25, 2022

The Honey Badger Half, 10k & 5k

LocationIndicator

Santa Venetia, California

Participants

half marathon, 10k, 5k

Star5

(1 reviews)

FilledTicket$35 – $85
Booking perksGreat atmosphereFlat trail
HeartOutline
Jeepers Creepers Run

Sunday, Oct 16, 2022

Jeepers Creepers Run

LocationIndicator

Santa Clarita, California

Participants

half marathon, 10k, 5k

FilledTicket$35 – $110
Booking perksFlat road
HeartOutline
SPACEROCK Trail Race

Saturday, Oct 22, 2022

SPACEROCK Trail Race

LocationIndicator

Agua Dulce, California

Participants

half marathon, 5k, 10k

Star5

(1 reviews)

FilledTicket$70 – $165
Booking perksGreat atmosphereTrail
HeartOutline
Marin Endurance Festival - Half Marathon, 10k & 5k

Sunday, Oct 30, 2022

Marin Endurance Festival - Half Marathon, 10k & 5k

LocationIndicator

McNears Beach, California

Participants

5k, half marathon, 10k

FilledTicket$59 – $173
Earlybird entry - ends soon
Booking perksGreat sceneryTrail
HeartOutline
Holly Jolly Half Marathon, 10k & 5k

Sunday, Dec 18, 2022

Holly Jolly Half Marathon, 10k & 5k

LocationIndicator

Camarillo, California

Participants

half marathon, 10k, 5k

Star5

(5 reviews)

FilledTicket$35 – $110
Booking perksGreat atmosphereRoad
HeartOutline
Sombrero Half Marathon, 5k & 10k

Sunday, Jan 29, 2023

Sombrero Half Marathon, 5k & 10k

LocationIndicator

Simi Valley, California

Participants

half marathon, 10k, 5k

Star4.5

(2 reviews)

FilledTicket$35 – $110
Booking perksGreat atmosphereFlat road
HeartOutline
California Seaside Marathon, Half Marathon, 10k & 5k - 2023

Sunday, Feb 19, 2023

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

LocationIndicator

Ventura, California

Participants

marathon, half marathon, 10k, 5k

FilledTicket$35 – $140
Booking perksGreat sceneryRoad
HeartOutline
Davis Moonlight Run

Saturday, Jul 9, 2022

Davis Moonlight Run

LocationIndicator

Davis, California

Participants

5k, 10k, 10 miles, half marathon

FilledTicketPrice TBC
Flat trail
HeartOutline
Rancho Hills Trail Run

Saturday, Jul 9, 2022

Rancho Hills Trail Run

LocationIndicator

Morgan Hill, California

Participants

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

FilledTicketPrice TBC
Trail
HeartOutline
WineShine Half Marathon - Napa Valley, CA

Saturday, Jul 16, 2022

WineShine Half Marathon - Napa Valley, CA

LocationIndicator

Napa, California

Participants

half marathon

FilledTicketPrice TBC
Great sceneryFlat road
HeartOutline
The Peak 50k, Marathon & Half Marathon

Saturday, Jul 16, 2022

The Peak 50k, Marathon & Half Marathon

LocationIndicator

San Diego County, California

Participants

ultramarathon, marathon, half marathon

FilledTicketPrice TBC
Hilly trail
HeartOutline
Oakland Redwoods Half Marathon

Saturday, Jul 16, 2022

Oakland Redwoods Half Marathon

LocationIndicator

Oakland, California

Participants

half marathon, 10k

FilledTicketPrice TBC
Great sceneryTrail
HeartOutline
San Francisco Marathon

Saturday, Jul 23, 2022

San Francisco Marathon

LocationIndicator

San Francisco, California

Participants

marathon, ultramarathon, 5k, half marathon

Star4.5

(5 reviews)

FilledTicketPrice TBC
Great atmosphereGreat sceneryRoad
HeartOutline
Kirkwood's Thunder Mountain Trail Challenge

Saturday, Jul 23, 2022

Kirkwood's Thunder Mountain Trail Challenge

LocationIndicator

Markleeville, California

Participants

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

FilledTicketPrice TBC
Great sceneryTrail
HeartOutline
Truckee Half Marathon and 5k

Saturday, Jul 30, 2022

Truckee Half Marathon and 5k

LocationIndicator

Truckee, California

Participants

5k, half marathon

FilledTicket$40 – $90
Great sceneryTrail
HeartOutline
Truckee Half Marathon & 5k

Saturday, Jul 30, 2022

Truckee Half Marathon & 5k

LocationIndicator

Truckee, California

Participants

5k, half marathon

FilledTicketPrice TBC
Trail
HeartOutline
Redwood Trail Run (Summer)

Saturday, Aug 6, 2022

Redwood Trail Run (Summer)

LocationIndicator

Oakland, California

Participants

ultramarathon, marathon, half marathon

FilledTicket$45 – $90
Earlybird entry - ends soon
Hilly trail
HeartOutline
Kirkwood’s Ultras

Saturday, Aug 6, 2022

Kirkwood’s Ultras

LocationIndicator

Markleeville, California

Participants

ultramarathon, 5k, half marathon, 10k

FilledTicketPrice TBC
Hilly trail
HeartOutline
Showing 1 - 24 of 109 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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