Upcoming Half Marathon Races Near Oceanside, CA

Name: Thrive San Diego Half Marathon & 5K
Start: 2026-11-14
End: 2026-11-14
Location: San Diego

San Diego Holiday Half Marathon

San Diego, CA

Saturday, December 20th, 2025

Featured

Half

View details for race San Diego Holiday Half Marathon

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Santa’s Reindeer Run - 5K, 10K, and Half Marathon

Huntington Beach, CA

Saturday, December 20th, 2025

10K

Half

View details for race Santa’s Reindeer Run - 5K, 10K, and Half Marathon

Reindeer Run 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, December 21st, 2025

Half

15K

10K

View details for race Reindeer Run 5k, 10k, 15k, Half Marathon

Run In The New Year 5k/10K/Half Marathon

Huntington Beach, CA

Sunday, December 28th, 2025

10K

Half

Fast

View details for race Run In The New Year 5k/10K/Half Marathon

Citrus Heritage Run

Riverside, CA

Saturday, January 10th, 2026

Half

10K

View details for race Citrus Heritage Run

San Diego 50 & Trail Runs

Escondido, CA

Saturday, January 10th, 2026

Ultra

Marathon

Half

Trail

Fast

View details for race San Diego 50 & Trail Runs

2026 Surf City Marathon & Half Marathon

Huntington Beach, CA

Saturday, January 31st, 2026

Half

Marathon

View details for race 2026 Surf City Marathon & Half Marathon

The HEART RUN Half Marathon & 5K /The SUPER BOW...

Huntington Beach, CA

Saturday, February 7th, 2026

Half

View details for race The HEART RUN Half Marathon & 5K /The SUPER BOWL Half Marathon & 5K. A FEBRUARY FESTIVAL RACE

Beer City Half™ San Diego

San Diego, CA

Saturday, February 14th, 2026

Half

10K

View details for race Beer City Half™ San Diego

SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Huntington Beach, CA

Saturday, February 28th, 2026

10K

Half

Trail

View details for race SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Bedrock Valley Trail Runs

Hemet, CA

Saturday, April 11th, 2026

Marathon

Half

15K

Trail

Fast

View details for race Bedrock Valley Trail Runs

San Diego Beach & Bay Half Marathon

San Diego, CA

Saturday, April 11th, 2026

Half

10K

View details for race San Diego Beach & Bay Half Marathon

Run for the Planet - Earth Day Celebration 5K, ...

Huntington Beach, CA

Saturday, April 18th, 2026

10K

Half

View details for race Run for the Planet - Earth Day Celebration 5K, 10K, and Half Marathon

The 2026 Hoag OC Marathon Running Festival (Exp...

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The 2026 Hoag OC Marathon Running Festival (Expo Registration)

The Hoag OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The Hoag OC Marathon Running Festival

La Jolla Half Marathon & 5K

San Diego, CA

Saturday, May 16th, 2026

Half

View details for race La Jolla Half Marathon & 5K

Laguna Hills Memorial Day Half Marathon, 5K & 10K

Laguna Hills, CA

Monday, May 25th, 2026

Half

10K

View details for race Laguna Hills Memorial Day Half Marathon, 5K & 10K

2026 PRE-SALE Thrive San Diego Half Marathon & 5K

San Diego, CA

Saturday, November 7th, 2026

Half

Fast

View details for race 2026 PRE-SALE Thrive San Diego Half Marathon & 5K

Beer City Half™ OC

Santa Ana, CA

Saturday, November 7th, 2026

Half

10K

View details for race Beer City Half™ OC

2026 Silver Strand Half Marathon, 10 Miler, 12K...

Coronado, CA

Sunday, November 8th, 2026

Half

10 Miles

12K

View details for race 2026 Silver Strand Half Marathon, 10 Miler, 12K & 5K

Temecula Half Marathon, 10K, 5K

Temecula, CA

Sunday, November 8th, 2026

Half

10K

View details for race Temecula Half Marathon, 10K, 5K

Thrive San Diego Half Marathon & 5K

San Diego, CA

Saturday, November 14th, 2026

Half

Fast

View details for race Thrive San Diego Half Marathon & 5K

Explore more in Oceanside, CA

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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