Running Races in San Clemente, CA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local San Clemente, CA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Running-5K - Individual Age group/open

Organization: University High School PTSA

Date of Race: 02-07-2026

Description: 2026 Trojan Trot 5K Fun Run! Early Bird! ...

Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 03-14-2026

Description: Muddy Dash is not your average mud run! Get ready for ...

Run-Walk-Skip 1M Fun Run - Run-Walk-Skip Fun Run: ...

Organization: University High School PTSA

Date of Race: 02-07-2026

Description: 2026 Trojan Trot 5K Fun Run! Early Bird! ...

Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

University HS Student/Staff: Running-5K - University HS Student/Staff: ...

Organization: University High School PTSA

Date of Race: 02-07-2026

Description: 2026 Trojan Trot 5K Fun Run! Early Bird! ...

Muddy Dash - Virtual Run - Virtual Run

Organization: Viral Run

Date of Race: 03-14-2026

Description: Muddy Dash is not your average mud run! Get ready for ...

Muddy Dash - Exclusive VIP Registration - ...

Organization: Viral Run

Date of Race: 03-14-2026

Description: Muddy Dash is not your average mud run! Get ready for ...

Terrain Race - Value Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶7̶4.9̶5̶

Organization: Viral Run

Date of Race: 11-21-2026

Description: Jump, climb, roll, and crawl your way through this one-of-a-kind obstacle ...

Terrain Race | Irvine 2026

Organization: Viral Run

Date of Race: 11-21-2026

Description: Jump, climb, roll, and crawl your way through this one-of-a-kind obstacle ...

Muddy Dash | Lake Elsinore

Organization: Viral Run

Date of Race: 03-14-2026

Description: Muddy Dash is not your average mud run! Get ready for ...

Bubble Run | Irvine 2026

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶

Organization: Viral Run

Date of Race: 10-10-2026

Description: If you’ve done a traditional 5K, you know they ...

Terrain Race - Exclusive VIP Registration - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 11-21-2026

Description: Jump, climb, roll, and crawl your way through this one-of-a-kind obstacle ...

2026 Trojan Trot 5K & 1M Fun Run

Organization: University High School PTSA

Date of Race: 02-07-2026

Description: 2026 Trojan Trot 5K Fun Run! Early Bird! ...

BOTH 5K + 1K! - Individual

Organization: Wicked Wine Run

Date of Race: 04-04-2026

Description: Whether you’re a seasoned runner or just love to walk and ...

Volunteer then Run! - Individual

Organization: Wicked Wine Run

Date of Race: 04-04-2026

Description: Whether you’re a seasoned runner or just love to walk and ...

2026 Wicked Wine Run Irvine

Organization: Wicked Wine Run

Date of Race: 04-04-2026

Description: Whether you’re a seasoned runner or just love to walk and ...

1K WINE WALK - Individual

Organization: Wicked Wine Run

Date of Race: 04-04-2026

Description: Whether you’re a seasoned runner or just love to walk and ...

5K WICKED WINE RUN - Individual

Organization: Wicked Wine Run

Date of Race: 04-04-2026

Description: Whether you’re a seasoned runner or just love to walk and ...