264 Upcoming 5K Races Near Costa Mesa, CA

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

Long beach, CA

Sunday, December 20th, 2026

Half

15K

10K

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

Chasing Santa – 5K, 10K, 10-Miler, Half Marathon

Long Beach, CA

Sunday, December 20th, 2026

10K

10 Miles

View details for race Chasing Santa – 5K, 10K, 10-Miler, Half Marathon

Jingle All the Way - Christmas Day 5K, 10K, Hal...

Long Beach, CA

Friday, December 25th, 2026

10K

Half

View details for race Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow Runs

Happy Holidays 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, December 26th, 2026

15K

Half

10K

View details for race Happy Holidays 5k, 10k, 15k, Half Marathon

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Ring Out the Old – 5K, 10K, Half Marathon

Encino, CA

Saturday, December 26th, 2026

10K

Half

View details for race Ring Out the Old – 5K, 10K, Half Marathon

Countdown to the Finish – 5K, 10K, 10-Miler, Ha...

Long Beach, CA

Sunday, December 27th, 2026

10K

10 Miles

View details for race Countdown to the Finish – 5K, 10K, 10-Miler, Half Marathon

Last Dash Before Midnight 5K, 10K, & Half Marat...

Long Beach, CA

Thursday, December 31st, 2026

10K

Half

View details for race Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow Runs

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

Huntington Beach, CA

Friday, January 1st, 2027

10K

Half

Fast

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

Chasing Churros 5K, 10K & Half Marathon by Cali...

Long Beach, CA

Sunday, January 3rd, 2027

10K

Half

Fast

View details for race Chasing Churros 5K, 10K & Half Marathon by Califlow Runs

Griffith Park Resolution Run

Los Angeles, CA

Sunday, January 3rd, 2027

Half

12K

Trail

View details for race Griffith Park Resolution Run

Grievances & Gratitude Run – Not a Resolution -...

Long Beach, CA

Saturday, January 9th, 2027

10K

Half

View details for race Grievances & Gratitude Run – Not a Resolution - Just a Reset 5K, 10K, and Half Marathon by Califlow Runs

Citrus Heritage Run

Riverside, CA

Saturday, January 9th, 2027

Half

10K

View details for race Citrus Heritage Run

LASAA Mug Run - Altadena Forever Run

Altadena, CA

Sunday, January 10th, 2027

10K

View details for race LASAA Mug Run - Altadena Forever Run

MLK Jr. Freedom Run LOS ANGELES

Los Angeles, CA

Saturday, January 16th, 2027

10K

Half

View details for race MLK Jr. Freedom Run LOS ANGELES

Define Your Glow 5K, 10K, Half Marathon by Cali...

Long Beach, CA

Saturday, January 16th, 2027

10K

Half

View details for race Define Your Glow 5K, 10K, Half Marathon by Califlow Runs

Polar Bear Run 5K, 10K, and Half Marathon by Ca...

Long Beach, CA

Saturday, January 23rd, 2027

10K

Half

View details for race Polar Bear Run 5K, 10K, and Half Marathon by Califlow Runs

Hollywood Sign Run | Hike - 8M | 8K | 5K | Kid

Los Angeles, CA

Sunday, January 24th, 2027

Trail

Fast

View details for race Hollywood Sign Run | Hike - 8M | 8K | 5K | Kid

Do It For Her 5K

Temecula, CA

Sunday, January 24th, 2027

View details for race Do It For Her 5K

Coffee Lover Run LOS ANGELES

Los Angeles, CA

Saturday, January 30th, 2027

10K

Half

View details for race Coffee Lover Run LOS ANGELES

RPV's Run For Myles

Rancho Palos Verdes, CA

Saturday, January 30th, 2027

10K

View details for race RPV's Run For Myles

Besties Run 5K. 10K. Half Marathon , & Kids Dash

Long Beach, CA

Sunday, January 31st, 2027

10K

Half

View details for race Besties Run 5K. 10K. Half Marathon , & Kids Dash

Heart and Sole Valentine's Run 5K, 10K, and Hal...

Long Beach, CA

Saturday, February 6th, 2027

10K

Half

Fast

View details for race Heart and Sole Valentine's Run 5K, 10K, and Half Marathon by Califlow Runs

The HEART RUN Half Marathon & 5K/10K

Huntington Beach, CA

Saturday, February 13th, 2027

Half

Fast

View details for race The HEART RUN Half Marathon & 5K/10K

Valentine's Day Run LOS ANGELES

Los Angeles, CA

Saturday, February 13th, 2027

10K

Half

View details for race Valentine's Day Run LOS ANGELES

The Long Beach Sweetheart's Run - Valentine's ...

Long Beach, CA

Sunday, February 14th, 2027

10K

Half

View details for race The Long Beach Sweetheart's Run - Valentine's 5K, 10K, & Half Marathon by Califlow Runs

cmX 5K 2027

Long Beach, CA

Saturday, February 20th, 2027

View details for race cmX 5K 2027

L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER...

Los Angeles, CA

Saturday, February 20th, 2027

View details for race L.A. CHINATOWN FIRECRACKER 5K/10K/KIDDIE/PAW'ER DOG RUN/WALK & BIKE RIDE

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

Huntington Beach, CA

Saturday, February 27th, 2027

10K

Half

Trail

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

Pre-Registration Screenland 5K 2027

Culver City, CA

Sunday, February 28th, 2027

1 Mile

View details for race Pre-Registration Screenland 5K 2027

Screenland 5K

Culver City, CA

Sunday, February 28th, 2027

1 Mile

View details for race Screenland 5K

10th Annual BRAVE Race 2027

Aliso Viejo, CA

Sunday, February 28th, 2027

10K

View details for race 10th Annual BRAVE Race 2027

Akash Wine Run 5k

Temecula, CA

Sunday, February 28th, 2027

Fast

View details for race Akash Wine Run 5k

Disco Miles: Beachfront Boogie 5K, 10K, Half Ma...

Long Beach, CA

Saturday, March 6th, 2027

10K

Half

Fast

View details for race Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs

She Runs Long Beach - National Women's Day Run ...

Long Beach, CA

Sunday, March 7th, 2027

10K

Half

Fast

View details for race She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon

Catalina Island Marathon, 10K, 5K

Avalon, CA

Saturday, March 13th, 2027

Marathon

10K

Trail

View details for race Catalina Island Marathon, 10K, 5K

The Long Beach Leprechaun Run - Kids Dash, 1 Mi...

Long Beach, CA

Sunday, March 14th, 2027

1 Mile

10K

View details for race The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs

Finish The Ride and Finish The Run Griffith Park

Los Angeles, CA

Saturday, March 20th, 2027

10K

15K

View details for race Finish The Ride and Finish The Run Griffith Park

Beer City Half™ Long Beach

Long Beach, CA

Saturday, March 20th, 2027

Half

10K

View details for race Beer City Half™ Long Beach

Signal Hill Rotary Mutt Run 1K & 5K

Long Beach, CA

Saturday, March 20th, 2027

View details for race Signal Hill Rotary Mutt Run 1K & 5K

9th Annual Run4Sharks & Ocean Health Fair 5k Fu...

Long Beach, CA

Saturday, March 27th, 2027

Fast

View details for race 9th Annual Run4Sharks & Ocean Health Fair 5k Fundraiser...Custom medal to all Finishers! Timed 5k on a new flat course in Long Beach

Como La Flor 5K. 10K, Half Marathon by Califlow...

Long Beach, CA

Sunday, March 28th, 2027

10K

Half

View details for race Como La Flor 5K. 10K, Half Marathon by Califlow Runs

20th Annual With Hope 5K

Yorba Linda, CA

Saturday, April 3rd, 2027

View details for race 20th Annual With Hope 5K

World Health Day: 5K 10K Half Marathon Running...

Long Beach, CA

Sunday, April 4th, 2027

10K

Half

View details for race World Health Day: 5K 10K Half Marathon Running for a Better World by Califlow Runs

Run for the Planet -An Earth Day Run by CaliFlo...

Long beach, CA

Saturday, April 17th, 2027

10K

Half

View details for race Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half Marathon

8th Annual Super Bulldog Jog 5K Run/Walk

Los Angeles, CA

Saturday, April 17th, 2027

View details for race 8th Annual Super Bulldog Jog 5K Run/Walk

Running Is For The Birds - 5K, 10K, Kids Run - ...

Huntington Beach, CA

Saturday, April 24th, 2027

10K

Fast

View details for race Running Is For The Birds - 5K, 10K, Kids Run - Earth Day Celebration

Coffee Lover Run LOS ANGELES

Los Angeles, CA

Saturday, April 24th, 2027

10K

Half

View details for race Coffee Lover Run LOS ANGELES

Orange County Multisport Festival

Mission Viejo, CA

Sunday, April 25th, 2027

Ultra

1 Mile

View details for race Orange County Multisport Festival

The Hoag OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 1st, 2027

Half

Marathon

View details for race The Hoag OC Marathon Running Festival

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & ...

Long Beach, CA

Saturday, May 1st, 2027

10K

Half

Fast

View details for race Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

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