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Running Calendar near Greeley 2025-2026

Explore the top running races near Greeley for 2025-2026! We've gathered 32 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
March 2026
Mar
21
Saturday

Lucky Brew Race 15K

5 km 10 km 15 km
April 2026
Apr
10-11
Fr - Sa

Run The Ranch

Trail Run 5 km 10 km ... 6 hr 12 hr
Apr
18
Saturday

Great Western Trail Race

Trail Run 5 km 10 km Half Marathon
Apr
19
Sunday

Horsetooth Half Marathon

Half Marathon
May 2026
May
3
Sunday

Colorado Marathon

5 km 10 km Half Marathon Marathon
May
3
Sunday

Longmont Half

5 km Half Marathon
May
30-31
Sa - Su

Weld Your Mettle Running Festival

Backyard Ultra 2 mi 4 mi ... 24 hr 36 hr
June 2026
Jun
6
Saturday

J-Town Jog 5K

5 km
Jun
7
Sunday

Crazy Legs Trail Run

Trail Run 10 km
Jun
20
Saturday

Red, White and Brew Half Marathon

5 km 10 km Half Marathon 12 hr
Jun
27
Saturday

Timberview Trail Run

Trail Run 5 km 5 mi 10 mi
September 2026
Sep
3-7
Th - Mo

Front Range Ultra Dayze

Trail Run
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