Running races in or near Lake Forest, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Lake Forest, 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.
Muddy Dash - Value Registration
Organization: Viral Run
Date of Race: 06-21-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Muddy Dash - VIP Registration 💎
Organization: Viral Run
Date of Race: 06-21-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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5K/10K - 7:00am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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5K/10K - 8:20am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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5K/10K - 8:40am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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Running-5K - Individual Age group/open
Organization: University High School PTSA
Date of Race: 02-08-2025
Description: 2025 Trojan Trot 5K Fun Run! Register by December ...
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Muddy Dash - Standard Registration
Organization: Viral Run
Date of Race: 06-21-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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5K/10K - 7:40am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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Run-Walk-Skip 1M Fun Run - Run-Walk-Skip Fun Run: ...
Organization: University High School PTSA
Date of Race: 02-08-2025
Description: 2025 Trojan Trot 5K Fun Run! Register by December ...
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5K/10K - 8:00am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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University HS Student/Staff: Running-5K - University HS Student/Staff: ...
Organization: University High School PTSA
Date of Race: 02-08-2025
Description: 2025 Trojan Trot 5K Fun Run! Register by December ...
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Bubble Run - VIP Registration
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Muddy Dash | Lake Elsinore | June 21
Organization: Viral Run
Date of Race: 06-21-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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5K/10K - 7:20am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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5K/10K - 9:00am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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5K/10K - 9:20am
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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5K/10K - Kids Price
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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Bubble Run - Value Registrations
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Bubble Run - Standard Registration
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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2024 World Help Huntington Beach Turkey Wobble
Organization: World Help - TW
Date of Race: 11-28-2024
Description: Join us for the 13th Annual Huntington Beach Turkey Wobble 5K/10K, ...
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2025 Trojan Trot 5K & 1M Fun Run
Organization: University High School PTSA
Date of Race: 02-08-2025
Description: 2025 Trojan Trot 5K Fun Run! Register by December ...
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Bubble Run | Irvine | November 8th
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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2025 Surf City Marathon & Half Marathon Presented ...
Organization: Motiv Sports US
Date of Race: 02-01-2025
Description: This award-winning course is considered one of the most scenic in ...
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Age Group - Individual - Age Group - ...
Organization: UCI Triathlon
Date of Race: 02-09-2025
Description: We welcome all levels of athletes and our race is considered ...
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Age Group / Open Relay - Age Group ...
Organization: UCI Triathlon
Date of Race: 02-09-2025
Description: We welcome all levels of athletes and our race is considered ...
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Complete list of running events in and near Lake Forest, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Lake Forest
About Lake Forest
Lake Forest (CA) is a city in Orange County with an estimated population of 77,264.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
