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Trail Running Calendar near Estes Park 2026-2027

Monthly updates for Estes Park

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Estes Park for 2026-2027! We've gathered 20 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
31
Sa

Sourdough Snowshoe Race

Trail Run 18 km 30 km
April 2026
Apr
10-11
Fr - Sa

Run The Ranch

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

NoCo Urban Ultra

Trail Run 50 mi 100 mi
May 2026
May
9
Sa

Quad Rock 50

Trail Run 25 mi 50 mi
May
23
Sa

Samson's Revenge

Trail Run 10 km 27 km 55 km
June 2026
Jun
7
Su

Crazy Legs Trail Run

Trail Run 10 km
Jun
27
Sa

Timberview Trail Run

Trail Run 5 km 5 mi 10 mi
July 2026
Jul-Aug
31-1
Fr - Sa

Wild West Relay

Trail Run 200 mi
August 2026
Aug
4
Tu

Lory Summer Trail Series

Trail Run 5 km 10 km 12 km
Aug
15
Sa

Boulder Rez Marathon

Trail Run 10 km Half Marathon 31 km Marathon
Aug
18
Tu

Into The Hills Eltuck 5K

Trail Run 5 km
Aug
19
We

Into The Hills Eltuck 10K

Trail Run 10 km
Aug
25
Tu

Lory Summer Trail Series

Trail Run 12 km
September 2026
Sep
3-7
Th - Mo

Front Range Ultra Dayze

Trail Run
Sep
11-12
Fr - Sa

American Heroes Run

Trail Run 5 km 9 mi ... 100 mi 24 hr
Sep
12
Sa

Ned Ned Run

Trail Run 5 km 6 mi 13 mi
Sep
12
Sa

Black Squirrel Half

Trail Run 14 mi
Sep
25-27
Fr - Su

Red Feather Trail Jamboree

Trail Run Half Marathon 50 km 50 mi
Sep
25-27
Fr - Su

Red Feather Trail Jamboree

Trail Run 13 mi 50 km 50 mi 95 mi
October 2026
Oct
17-18
Sa - Su

Blue Sky Trail Marathon

Trail Run 13 mi 27 mi