Running races in or near Frederick, CO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Frederick, CO 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 - Team of 5
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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Running-5K - Team of 3
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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Running-5K - Team of 4
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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Running-5K - Individual Age group/open
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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Running-5K - Couples / Team of 2
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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Half marathon - Individual Age group/open
Organization: Five Star NTP
Date of Race: 08-03-2025
Description: Have you been dreaming of running Boston? Need to shave a ...
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Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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Price
Organization: Colorado Track & Cross Country Camps
Date of Race: 07-07-2025
Description: If you’ve done a traditional 5K, you know ...
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Marathon - Individual Age group/open
Organization: Five Star NTP
Date of Race: 08-03-2025
Description: Have you been dreaming of running Boston? Need to shave a ...
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Colorado Cross Country Summer Camp
Organization: Colorado Track & Cross Country Camps
Date of Race: 07-07-2025
Description: Nestled 5,430 feet above sea level, Boulder, Colorado is renowned as ...
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Muddy Dash - Exclusive VIP Registration - ...
Organization: Viral Run
Date of Race: 09-13-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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13th Annual Buffs4Life 5k Walk/Run
Organization: Buffs4Life
Date of Race: 06-22-2025
Description: SUNDAY, JUNE 22-8AM START AND FINISH AT ...
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I'm Bound for Boston Marathon & Half Marathon ...
Organization: Five Star NTP
Date of Race: 08-03-2025
Description: Have you been dreaming of running Boston? Need to shave a ...
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Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...
Organization: Viral Run
Date of Race: 09-13-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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Bubble Run | Denver
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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Muddy Dash | Denver
Organization: Viral Run
Date of Race: 09-13-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Breakfast & Four Mile Historic Park
Organization: Fort Lupton Recreation Center
Date of Race: 07-24-2025
Description: Age GroupSeniors
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Little Dribblers Camp I
Organization: Colorado Womens Basketball
Date of Race: 06-23-2025
Description: Little Dribblers Camp is for the first time camper or a ...
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Individual Camp I
Organization: Colorado Womens Basketball
Date of Race: 06-23-2025
Description: Individual Camp is a great opportunity for any player looking to ...
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Week 03 | Ages 10-14 | 10am-2pm @ ...
Organization: Mighty Movement
Date of Race: 06-16-2025
Description: LOUISVILLE'S BEST ACTIVE SUMMER CAMP: Get Outside, Work Hard, Have Fun! ...
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Week 04 | Ages 10-14 | 10am-2pm @ ...
Organization: Mighty Movement
Date of Race: 06-23-2025
Description: LOUISVILLE'S BEST ACTIVE SUMMER CAMP: Get Outside, Work Hard, Have Fun! ...
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<< SELECT SESSION
Organization: Mighty Movement
Date of Race: 06-23-2025
Description: LOUISVILLE'S BEST ACTIVE SUMMER CAMP: Get Outside, Work Hard, Have Fun! ...
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Complete list of running events in and near Frederick, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Frederick
About Frederick
Frederick (CO) is a town in Weld County with an estimated population of 8,679.[4]
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Did you know?
In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
