Upcoming Half Marathon Races Near Oceanside, CA

Name: La Jolla Half Marathon & 5K
Start: 2026-05-16
End: 2026-05-16
Location: San Diego

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Totally 80's Fast Times in Huntington Beach 5K,...

Huntington Beach, CA

Sunday, September 14th, 2025

10K

Half

Fast

View details for race Totally 80's Fast Times in Huntington Beach 5K, 10K, & Half Marathon

National Coffee Day: Run for Coffee SAN DIEGO

San Diego, CA

Saturday, September 27th, 2025

10K

Half

View details for race National Coffee Day: Run for Coffee SAN DIEGO

National Singles Day: Singles & Friends Running...

San Diego, CA

Saturday, September 27th, 2025

10K

Half

View details for race National Singles Day: Singles & Friends Running Club SAN DIEGO

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

San Diego, CA

Saturday, October 4th, 2025

10K

Half

View details for race Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

Witches Wave - Halloween Run 5K, 10K, and Half ...

Huntington Beach, CA

Sunday, October 12th, 2025

10K

Half

Fast

View details for race Witches Wave - Halloween Run 5K, 10K, and Half Marathon

Haunted Heroes 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, October 12th, 2025

Half

15K

10K

View details for race Haunted Heroes 5k, 10k, 15k, Half Marathon

MISSION INN RUN

Riverside, CA

Sunday, October 19th, 2025

View details for race MISSION INN RUN

2025 Crown Point Marathon/Half-Marathon, Team R...

San Diego, CA

Sunday, October 26th, 2025

Marathon

Half

View details for race 2025 Crown Point Marathon/Half-Marathon, Team Relays, 8K & 5K Runs

Beer City Half OC

Santa Ana, CA

Saturday, November 1st, 2025

Half

10K

Trail

View details for race Beer City Half OC

Día de los Muertos Run - Huntington Beach 5K, 1...

Huntington Beach, CA

Saturday, November 1st, 2025

10K

Half

View details for race Día de los Muertos Run - Huntington Beach 5K, 10K & Half Marathon

Thrive San Diego Half Marathon & 5K

San Diego, CA

Saturday, November 1st, 2025

Half

Fast

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

2025 PRE-SALE Thrive San Diego Half Marathon & 5K

San Diego, CA

Saturday, November 1st, 2025

Half

Fast

View details for race 2025 PRE-SALE Thrive San Diego Half Marathon & 5K

Temecula Half Marathon, 10K, 5K

Temecula, CA

Sunday, November 2nd, 2025

Half

10K

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

2025 Silver Strand Veteran's Day Half Marathon,...

Coronado, CA

Sunday, November 9th, 2025

Half

Fast

View details for race 2025 Silver Strand Veteran's Day Half Marathon, 10 Miler, 12K & 5K event

The Kris Kringle Jingle Dash 5K, 10K, & Half Ma...

Huntington Beach, CA

Saturday, December 13th, 2025

10K

Half

View details for race The Kris Kringle Jingle Dash 5K, 10K, & Half Marathon

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

San Diego Holiday Half Marathon & 5K

San Diego, CA

Saturday, December 20th, 2025

Half

Fast

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

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

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

Explore more in Oceanside, CA

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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