Longmont Half & 5k (LM Half)

Race Date

May 3, 2026

Location

Longmont, CO

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!

Logistics

Race Day

Sunday, May 3, 2026

Start Time

7:30 AM

Giveaway

sweatshirt - Unisex Sizes

Start Location

Rec Center, Longmont, CO, 80501

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

190'

Elevation Loss

197'

Max Elevation

4,989'

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

USATF Certified Course

CO19005DCR · Expires 2029 · Dam Road Half #2

Relatively flat with minimal net elevation change. Loop course — start and finish are close together.

Course Map

1 other map for this race

Historical Performance

Median Finish

2:05:38

9:35/mi

Winning Time

1:21:13

6:12/mi

Finishers (2025)

144

States Represented

7 / 50

Gender Split

51% Female49% Male

Finish Time Distribution

1:203:05

FASTER 25%

1:51:50

MEDIAN

2:05:38

SLOWER 25%

2:21:26

Average runner age: 38

See Full Results

Race Day Weather

5-year historical avg

Start (Low)

39°

Afternoon (High)

65°

Pleasant conditions — light layers at start, comfortable by finish

0.1"

Precipitation

12 mph

Wind

57%

Humidity

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