Trail Run Project Logo
Deer Creek
Intermediate/Difficult Intermediate/Difficult
Ken Caryl, CO Oct 17, 2026
Deer Creek Ken Caryl, CO
Intermediate/Difficult Intermediate/Difficult
Oct 17, 2026
Notes: 7.8 mi — 1h 31m
Bootlegger's Loop
Intermediate/Difficult Intermediate/Difficult
Castle Rock, CO Oct 11, 2026
Bootlegger's Loop Castle Rock, CO
Intermediate/Difficult Intermediate/Difficult
Oct 11, 2026
Notes: 9.7 mi — 2h 3m : Castlewood Canyon loop w/ crossover to explore Lost Canyon. Challenging fun trails.
Dyke Marsh Wildlife Preserve Trail
Easy Easy
Belle Haven, VA Oct 10, 2026
Dyke Marsh Wildlife Preserve Trail Belle Haven, VA
Easy Easy
Oct 10, 2026
Notes: 6.3 mi — 1h 0m : Perfect for sunrise over the Potomac River. Wonderful (but short) soft surface doubletrack. A real respite from the GW parkway noise.
Manassas Battlefield Bridle Trail Loop
Easy/Intermediate Easy/Intermediate
Bull Run, VA Oct 3, 2026
Manassas Battlefield Bridle Trail Loop Bull Run, VA
Easy/Intermediate Easy/Intermediate
Oct 3, 2026
Notes: 10.8 mi — 1h 45m : Solid long loop with almost all soft surface. Muddy after rain.
Rattlesnake Mountain Trail
Intermediate Intermediate
Snoqualmie, WA Jan 15, 2026
Rattlesnake Mountain Trail Snoqualmie, WA
Intermediate Intermediate
Jan 15, 2026
Notes: 5 mi — 1h 10m : Ran out and back from the North lot. Foggy and lush
Indian Creek Loop #800
Intermediate/Difficult Intermediate/Difficult
Roxborough Park, CO Oct 18, 2025
Indian Creek Loop #800 Roxborough Park, CO
Intermediate/Difficult Intermediate/Difficult
Oct 18, 2025
Notes: 14.4 mi — 3h 3m : Nice fall colors
Abyss Lake Trail #602
Intermediate/Difficult Intermediate/Difficult
Jefferson, CO Sep 20, 2025
Abyss Lake Trail #602 Jefferson, CO
Intermediate/Difficult Intermediate/Difficult
Sep 20, 2025
Notes: 13.2 mi — 3h 10m : Good Fall color; not yet peak. Turned back just beyond Helms Lake.
Junco Lake Loop
Intermediate/Difficult Intermediate/Difficult
Fraser, CO Sep 12, 2025
Junco Lake Loop Fraser, CO
Intermediate/Difficult Intermediate/Difficult
Sep 12, 2025
Notes: 22.3 mi — 8h 30m : A premier multi-pass loop, with stunning scenery throughout. ~7 hrs moving time on mixed & technical trails.
Shelf Lake Trail #634
Intermediate/Difficult Intermediate/Difficult
Georgetown, CO Aug 31, 2025
Shelf Lake Trail #634 Georgetown, CO
Intermediate/Difficult Intermediate/Difficult
Aug 31, 2025
Notes: 7.8 mi : Pretty above treeline. I mostly hiked; fairly steep and rocky-not very runable
Black Elk Peak Loop
Intermediate/Difficult Intermediate/Difficult
Custer, SD Aug 21, 2025
Black Elk Peak Loop Custer, SD
Intermediate/Difficult Intermediate/Difficult
Aug 21, 2025
Notes: 15.2 mi — 4h 5m : Varied loop. Solitude for first 6 miles of wilderness, busy at summit. Some poison ivy around Horsethief Lake and surrounding trls.
Perrot Ridge/Brady's Bluff Figure 8
Intermediate/Difficult Intermediate/Difficult
Trempealeau, WI Aug 20, 2025
Perrot Ridge/Brady's Bluff Figure 8 Trempealeau, WI
Intermediate/Difficult Intermediate/Difficult
Aug 20, 2025
Notes: 3.6 mi : punchy loop
Dolly Sods Wilderness
Intermediate/Difficult Intermediate/Difficult
Davis, WV Aug 18, 2025
Dolly Sods Wilderness Davis, WV
Intermediate/Difficult Intermediate/Difficult
Aug 18, 2025
Notes: 18.4 mi — 4h 20m : Started at Wilderness Way TH, clockwise, and added the summit of Lion's head into my nostalgic loop.
Fountainhead Loop Hike
Intermediate Intermediate
Lake Ridge, VA Aug 16, 2025
Fountainhead Loop Hike Lake Ridge, VA
Intermediate Intermediate
Aug 16, 2025
Notes: 6.3 mi — 1h 7m
Arapaho Glacier Trail
Intermediate/Difficult Intermediate/Difficult
Nederland, CO Aug 2, 2025
Arapaho Glacier Trail Nederland, CO
Intermediate/Difficult Intermediate/Difficult
Aug 2, 2025
Notes: 13.5 mi — 4h 35m : Rainbow Lakes TH to South Arapahoe Peak Summit. ~4100 ft of gain.
Hicks Mountain Trail
Intermediate Intermediate
Idaho Springs, CO Jul 13, 2025
Hicks Mountain Trail Idaho Springs, CO
Intermediate Intermediate
Jul 13, 2025
Notes: 10.7 mi — 1h 46m : Started at lower Beaver Brook TH. Lovely sunset run.
Beaver Brook Doubletrack
Intermediate Intermediate
Idaho Springs, CO Jul 13, 2025
Beaver Brook Doubletrack Idaho Springs, CO
Intermediate Intermediate
Jul 13, 2025
Notes: 10.7 mi — 1h 46m : Beaver Brook TH to Hick's Mountain overlook
Rosalie Trail #603
Intermediate/Difficult Intermediate/Difficult
Bailey, CO Jun 22, 2025
Rosalie Trail #603 Bailey, CO
Intermediate/Difficult Intermediate/Difficult
Jun 22, 2025
Notes: 10 mi — 2h 15m
Little Scraggy Loop
Intermediate/Difficult Intermediate/Difficult
Pine, CO Jun 8, 2025
Little Scraggy Loop Pine, CO
Intermediate/Difficult Intermediate/Difficult
Jun 8, 2025
Notes: 13 mi — 2h 20m : Agree that counterclockwise is better to run on any day that there are bikers.
East/West Regional Trail (EWRT)
Easy/Intermediate Easy/Intermediate
Highlands Ranch, CO Jun 5, 2025
East/West Regional Trail (EWRT) Highlands Ranch, CO
Easy/Intermediate Easy/Intermediate
Jun 5, 2025
Notes: 7.6 mi — 1h 8m : Cabella's to loop around Bluffs and back.
Mule Deer Trail
Intermediate Intermediate
Central City, CO May 31, 2025
Mule Deer Trail Central City, CO
Intermediate Intermediate
May 31, 2025
Notes: 9.5 mi — 1h 57m : +Black Bear Trl to the views
Welcome

Join the Community! It's FREE

Already have an account? Login to close this notice.