Running Races in Broomfield, CO

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

See below for a frequently-updated, comprehensive list of upcoming running events in the local Broomfield, 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.

Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 08-14-2027

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

Muddy Dash | Denver 2027

Organization: Viral Run

Date of Race: 08-14-2027

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

Muddy Dash - Exclusive VIP Registration - ...

Organization: Viral Run

Date of Race: 08-14-2027

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

Run with the Buffalo Fun Run: 5K Distance

Organization: Commerce City Recreation Department

Date of Race: 12-05-2026

Description: DescriptionJoin us for our annual Run with the Buffalo ...

Run with the Buffalo Fun Run: 2.5 Mile ...

Organization: Commerce City Recreation Department

Date of Race: 12-05-2026

Description: DescriptionJoin us for our annual Run with the Buffalo Ugly ...

Friendsgiving

Organization: Commerce City Recreation Department

Date of Race: 11-19-2026

Description: DescriptionJoin us for a Friendsgiving Potluck! Bring your favorite holiday dish ...

Turkey Burn

Organization: Fort Lupton Recreation Center

Date of Race: 11-26-2026

Description: DescriptionStart your Thanksgiving the right Way! Join us for a ...

Giants of the Plains Nature Walk

Organization: Commerce City Recreation Department

Date of Race: 11-15-2026

Description: Description

Denver Stock Show Excursion

Organization: Evergreen Park & Recreation District

Date of Race: 01-22-2027

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

Return of the Bison

Organization: Commerce City Recreation Department

Date of Race: 03-07-2027

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

5k Race : Summer Sizzle : early bird

Organization: Fort Lupton Recreation Center

Date of Race: 06-12-2027

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

Dinner out – Cherry Cricket (11/30)

Organization: Commerce City Recreation Department

Date of Race: 11-30-2026

Description: Description Long-running hub with build-your-own burgers among other American staples & ...

Dinner out – Cherry Cricket (11/30)

Organization: Commerce City Recreation Department

Date of Race: 11-30-2026

Description: Description Long-running hub with build-your-own burgers among other American staples & ...

Dinner out – Cherry Cricket (11/30)

Organization: Commerce City Recreation Department

Date of Race: 11-30-2026

Description: Description Long-running hub with build-your-own burgers among other American staples & ...