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Trail Running Calendar near Old Town 2026-2027

Monthly updates for Old Town

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

Explore the top trail runs near Old Town for 2026-2027! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

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
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

Black Squirrel Half

Trail Run 14 mi
October 2026
Oct
17-18
Sa - Su

Blue Sky Trail Marathon

Trail Run 13 mi 27 mi