Longmont Half & 5k (LM Half)
Sun, May 3, 2026, 7:30 AM MDT
- Type
- Run
Sign up and verify details on the organizer's official page.
Race feel
Longmont's inclusive Half Marathon and 5k welcomes all abilities to experience a rolling course in the cooler month of May.
- Fun
FunGreat for
- Beginner Friendly
- Walkers Welcome
Beginner Friendly
Walkers WelcomeDiscover Longmont's only Half Marathon, now held in the cooler month of May. The Longmont Half & 5k invites runners and walkers of all abilities to participate in either the 13.1-mile or 5k distance. This event offers a welcoming atmosphere in Longmont, CO, perfect for those looking for an inclusive race experience on a rolling course.
What to expect
- Enjoy Longmont's only Half Marathon or a 5k distance.
- Walkers and runners of all abilities are warmly welcomed.
- Experience a rolling course in the mild, high-altitude climate of Longmont, CO.
Standout details
- Longmont's only Half Marathon
- Walkers and all abilities welcome
- Cooler May race date
- Rolling course terrain
Course feel
A practical read on terrain, elevation, footing, and typical conditions.
Big Test
Typical course trends
- Typically rolling
- Higher-altitude area
Distances & registration
2 optionsUse the official signup link above for all distances.
Half Marathon
1 option · closes May 3, 2026, 3:30 AM MDT
2d 16h 11m leftGeneral entry
Closes May 3, 2026, 3:30 AM MDT · From $60.00
5K
1 option · closes May 3, 2026, 4:30 AM MDT
2d 17h 11m leftGeneral entry
Closes May 3, 2026, 4:30 AM MDT · From $35.00
Built from public event details. Confirm schedule, fees, and rules on the official event page before signing up.
From the organizer
Longmont's only Half Marathon - now offered in the cooler month of MAY! Join the Half Marathon or 5k distance! Walkers and Runners of all abilities welcome!