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! ...

Super Kid - 5K - Kids 13 years ...

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

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: 11-15-2025

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

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! ...

Superheroes Triumph! 5K OC 2025

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

Team Registration - Team Registration

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

Rolling-5K Wheelchair - Individual Age group/open

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

Running or Walking-5K - Individual Age group/open

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

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 - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...

Organization: Viral Run

Date of Race: 06-21-2025

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

Super Kid - 5K Runner - Individual Age ...

Organization: Triumph Foundation

Date of Race: 09-13-2025

Description: We're coming BACK for a 3rd round of fun! Our annual ...

Muddy Dash - Value Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶7̶4.9̶5̶

Organization: Viral Run

Date of Race: 06-21-2025

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

Muddy Dash | Lake Elsinore

Organization: Viral Run

Date of Race: 06-21-2025

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

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

Organization: Viral Run

Date of Race: 11-15-2025

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

Bubble Run | Irvine

Organization: Viral Run

Date of Race: 11-15-2025

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