Running Races in San Juan Capistrano, 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 Juan Capistrano, 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! Registration includes: ...

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! Registration includes: ...

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 ...

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 ...

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 | Lake Elsinore 2026

Organization: Viral Run

Date of Race: 03-14-2026

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

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 ...

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 ...

Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 03-28-2026

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

Muddy Dash - Exclusive VIP Registration - ...

Organization: Viral Run

Date of Race: 03-28-2026

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

Muddy Dash | Irvine 2026

Organization: Viral Run

Date of Race: 03-28-2026

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

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! Registration includes: ...

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! Registration includes: ...

Bubble Run | Irvine 2026

Organization: Viral Run

Date of Race: 10-10-2026

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

UCI Zot Trot Reverse Triathlon 2026

Organization: UCI Triathlon

Date of Race: 02-01-2026

Description: We welcome all levels of athletes and our race is considered ...

2025 Cross Country Trip Fees

Organization: Mater Dei High School Camps

Date of Race: 10-02-2026

Description: 2025 Cross Country Trip Fees Sun Invitational Non-refundable