Running Races in Longmont, CO

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

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

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 ...

Nov: Neighbor Nights- Community Service Night

Organization: Thompson Rivers Parks and Recreation District

Date of Race: 11-13-2026

Description: Description

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 & ...

Soccer Tots by SuperTots Sports 2yrs 6m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...

Soccer Tots by SuperTots Sports 3yrs 7m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...

Soccer Tots by SuperTots Sports 3yrs 7m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...

Soccer Tots by SuperTots Sports 3yrs 7m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...

Soccer Tots by SuperTots Sports 2yrs 6m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...

Soccer Tots by SuperTots Sports 2yrs 6m to ...

Organization: Commerce City Recreation Department

Date of Race: 01-22-2027

Description: DescriptionSoccerTots is our flagship program! Our classes ...