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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.

July 2026
Jul
18
Sa

Thumbs Up Summer Slam

Trail Run
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
Aug
11
Tu

Into The Hills Eltuck 10K

Trail Run 10 km
Aug
11
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 32 km Marathon
Aug
18
Tu

Into The Hills Eltuck 5K

Trail Run 5 km
Aug
18
Tu

Lory Summer Trail Series

Trail Run 5 km 10 km 12 km
Aug
22
Sa

Rocky Mountain Lobo Invitational

Trail Run 2 mi 5 km
Aug
25
Tu

Lory Summer Trail Series

Trail Run 12 km
Aug
29
Sa

Run Like the Wind 5K - Allenspark

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

Front Range Ultra Dayze

Trail Run 50 km 100 mi 200 mi
Sep
11-12
Fr - Sa

American Heroes Run

Trail Run Walk 5 km 9 mi ... 551 min 100 mi
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 13 mi 50 km 50 mi 94 mi
Sep
26-27
Sa - Su

Estes Epic

Trail Run Cross Duathlon 15 mi 50 km 100 km
October 2026
Oct
17-18
Sa - Su

Blue Sky Trail Marathon

Trail Run 13 mi 27 mi
April 2027
Apr
11
Su

NoCo Urban Ultra

Trail Run 50 mi 100 mi
May 2027
May
8
Sa

Quad Rock 50

Trail Run 25 mi 50 mi
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