Longmont Half & 5k (LM Half)
Sunday, May 3, 2026
Longmont, Colorado
The Experience
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!
Race Details
Race Day
Sunday, May 3, 2026 · 5/3/2026 07:30
Start Location
Rec Center, Longmont, CO 80501
Course
Loop
Also Offers
Giveaway
sweatshirt - Unisex Sizes
Registration
Register online — $60
Race Website
Official race information
Race Performance
2:06:53
9:41/mi pace
1:21:13
6:12/mi pace
148
51% female · 49% male
7 states
Avg age: 37
Finish Time Distribution (2025)
1:52:02
Top 25%
2:22:07
Top 75%
Historical Weather
☀
Avg High
65°F
☽
Avg Low
39°F
☂
Precip
0.13 in
🍃
Wind
11.8 mph
More races in Colorado
The Experience
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!
Race Details
Race Day
Sunday, May 3, 2026 · 5/3/2026 07:30
Start Location
Rec Center, Longmont, CO 80501
Course
Loop
Also Offers
Giveaway
sweatshirt - Unisex Sizes
Registration
Register online — $60
Race Website
Official race information
Race Performance
2:06:53
9:41/mi pace
1:21:13
6:12/mi pace
148
51% female · 49% male
7 states
Avg age: 37
Finish Time Distribution (2025)
1:52:02
Top 25%
2:22:07
Top 75%