Colorado Trail Running Calendar 2025-2026

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Explore the best trail runs in Colorado for 2025-2026! Our updated list features 129 exciting races across the state. Find your next race in Colorado below and join the running community at these great events!

February 2025
Feb
14-15
Fr - Sa

Running Up for Air Staunton Rocks

Trail Run 3 hr 6 hr 12 hr 24 hr
Feb
15-16
Sa - Su

Stories Trail Runs

Trail Run 10 km 13 mi ... 15 hr 30 hr
Feb
22
Saturday

Pine Needle Langlauf Nordic Ski Race

Trail Run 4 km 10 km 20 km 30 km
Feb
22
Saturday

Gothic Mountain Tour

Trail Run 17 km 23 km
March 2025
Mar
8
Saturday

Run Through Time Trail Marathon

Trail Run 2 mi 13 mi 26 mi
Mar
8
Saturday

Winter's End Snowshoe Races

Trail Run 2 mi 8 mi 16 mi 26 mi
Mar
8
Saturday

Lucky Lyons

Trail Run 5 km 10 km
April 2025
Apr
4-5
Fr - Sa

Run The Ranch

Trail Run 5 km 10 km ... 6 hr 12 hr
Apr
11-13
Fr - Su

Desert Rats Trail Running Festival

Trail Run 10 km 21 km 50 km 100 km
Apr
19
Saturday

Rattler Trail Race

Trail Run 10 km 25 km 50 km
Apr
19
Saturday

Great Western Trail Race

Trail Run 5 km 10 km 13 mi
Apr
19
Saturday

Rock Hawk

Trail Run 5 km 10 km 25 km 50 km
Apr
26
Saturday

Royal Gorge Groove

Trail Run 5 km 12 km ... 30 km 50 km
Apr
26
Saturday

Cheyenne Mountain Trail Race

Trail Run 4 mi 7 mi 25 km 50 km
May 2025
May
3
Saturday

Take 5 in The Garden

Trail Run 5 km 5 mi
May
3
Saturday

Greenland Trail Races

Trail Run 4 mi 8 mi 25 km 50 km
May
3
Saturday

Collegiate Peaks Trail Run

Trail Run 25 mi 50 mi
May
3
Saturday

Falcon 50 - Colorado Springs

Trail Run 21 km 26 mi 50 mi
May
10
Saturday

Niwot's Challenge

Trail Run 24 mi 50 mi 100 mi
May
10
Saturday

Valkyrie Trail Race

Trail Run 4 mi 8 mi ... 26 mi 50 km
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