Running Races in Longmont, Colorado 2026 | Browse All Races

There are 6 running races in Longmont, Colorado in 2026. The next is the Boulder Track Series Meet 1 on April 12. Distances include 5K races.

Boulder Track Series Meet 1

Sun, Apr 12 · Longmont, CO Longmont

Road 2-Mile - 13 to 19 years2-Mile - 20 years & older800m - 12 & under +14

From $10 Open

CollaBEERation 5k & Brew Fest Party

Sat, May 2 · Longmont, CO Longmont

Road 9th edition CollaBEERation 5k & Brew Fest Party - WAVE A (Running 25 Minutes & Under)9th edition CollaBEERation Brew Fest Party - Brew Fest Attendee Only9th edition CollaBEERation 5k & Brew Fest Party - WAVE B (Run/Walk Over 25+ Minutes)

From $40 Open 75 spots left

Longmont Half & 5k (LM Half)

Sun, May 3 · Longmont, CO Longmont

Road 5kHalf Marathon

From $35 Open Closing Soon

Frank Shorter Track Classic

Sun, May 3 · Longmont, CO Longmont

Road 1-Mile - 13 to 19 years1-Mile - 12 & under1-Mile - 20 years & older +14

From $10 Open

Let Freedom Run 5k - LONGMONT

Sat, Jul 4 · Longmont, CO Longmont

Road 5k Run/Walk

From $30 Open

Dog Days Of Summer 2026

Sat, Aug 8 · Longmont, CO Longmont

Road Kidz DashDog Days of Summer 3.5 Loop

From $20 Open 25 spots left

Running Races in Longmont, Colorado — 2026