Longmont Half & 5k (LM Half)
Updated
Sunday, May 2, 2027, first start 7:30 AM, in Longmont (Sandstone Ranch Park). Distances: 5K, Half marathon. Entry from $39 to $64; the Half marathon goes from $64 to $69 after February 1.
- Date
- Sunday, May 2, 2027
- Start time
- 7:30 AM (earliest wave)
- Location
- Sandstone Ranch Park, Longmont, CO 80504
- Area
- Fort Collins & Loveland, Denver & Boulder
- Distances
- 5KHalf marathon
- Course
- Road or path
- Price
- $39 to $64 plus the platform's processing fee
- Next price increase
- Monday, February 1, 2027: Half marathon $64 → $69
- Registration
- Open. Opened June 1, online signup closes Sunday, May 2, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by February 1 to pay $64 instead of $69.
Course and race notes
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!
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.