Trail Running calendar near Jelm Mountain 2025-2026

Challenge yourself in the Thumbs Up Vertical in Estes Park, an 8 hour timed ascent limited to 30 runners. Each 540 ft steep scenic single track lap earns a poker chip, with milestone patches and a prize for the overall winner.

Run the Twin Mountain Trudge in Laramie WY on Jan 10, 2026, choosing a ~10.2 mile single loop or a ~20.5 mile double. Thigh deep snow, ice and about 2,000 feet of climbing make this a rugged winter course that demands proper gear and grit.

Join collegiate and junior skiers for the USCSA Cross Country Ski Racing Festival in Granby, Colorado at Snow Mountain Ranch. Two days of classic and skate racing promise fast snow, college points and gear giveaways in a lively community at..

Race The Ranch at Snow Mountain Ranch in Granby Colorado on April 4, 2026 is a scenic snowshoe race with distances up to 50k on singletrack and groomed trails. Tackle challenging loops, enjoy on course aid, and earn a custom finisher mug.

Run the Ranch is a weekend trail festival at Sylvan Dale Guest Ranch in Loveland, CO, featuring 5K, 10K and timed 4, 6 and 12 hour events plus relays and virtual options. Enjoy varied ranch terrain, on course support, meal tickets for entra..

Hit the scenic Great Western Trail in Severance on April 18, 2026 with 5K, 10K, half marathon and kids fun run options for every level. Enjoy chip timing, finisher shirt and medal, plus post race food and beer while supporting local nonprof..

Quad Rock 25 and 50 deliver rugged singletrack and big Colorado climbs around Fort Collins, offering a 25 mile single loop or 50 mile double loop with roughly 5,500 or 11,000 ft of gain. Entries are capped and registration opens Dec 15, 202..

Weld Your Mettle Running Festival in Eaton, Colorado on May 30-31, 2026 invites runners to repeat a scenic four mile loop for distances from a 7K up to 100 miles, plus relay and virtual options. Expect stocked aid, finisher swag, recovery t..

Run high in the Colorado Rockies at Granby Ranch Resort on June 6, 2026 with distances from 6 Mile to 50k and a standout Elevation Challenge of repeated looped climbs. Expect single track trails, alpine meadows, stocked aid stations, and sw..

Run scenic ridgelines and singletrack at Devil's Backbone in the Crazy Legs 10k+ Trail Run, then celebrate with awards at Loveland Aleworks. Entry includes a hat with a random patch and aid near mile 3, and parking passes are required.

Run scenic trails at Lory State Park with sweeping views of Horsetooth Reservoir and the foothills. Choose from 10 mile, 5 mile or 5K courses at a USATF sanctioned, 100% plant based event with aid stations and medals.

Experience high alpine trails from Gould Colorado in the Never Summer range with 100 km and 60 km options. Rugged singletrack, big climbs and alpine lakes await for a true mountain adventure.

Join the Wild West Relay, a scenic point to point 200 miles across Colorado from Fort Collins to Steamboat Springs. Run solo or with teams from 1 up to 12 people as you tackle mountain passes, open roads and big western views.

Run the Lory Summer Trail Series at Lory State Park in Fort Collins this August with four midweek trail races from a fast 5k to a testing 12k. Perfect for newcomers and speed seekers, with post race pizza, drinks, and series awards.

Experience the Emerald Mountain Epic, a two day trail festival in Steamboat Springs where bikers and runners enjoy scenic singletrack through meadows and aspens. Fields are capped at 500 per day and proceeds benefit local youth and riders.

Run a scenic marathon or half marathon along the Medicine Bow Rail Trail through the Snowy Range, finishing at beautiful Lake Owen. Timed race with aid stations, souvenirs and medals, with proceeds supporting trail upkeep.

Front Range Ultra Dayze invites ultrarunners to a multi day looped trail festival along River's Edge in Loveland, Colorado, offering timed and distance events from 12 hour to 200 mile. Enjoy scenic two mile loops, around the clock aid, camp..

High alpine trail festival at YMCA of the Rockies in Granby, CO offering 5K to 50K races, plus Moosehead and Baby Moose challenge options. Expect dirt singletrack, big climbs and sweeping mountain views for all abilities.

Run Rabbit Run in Steamboat Springs Colorado is a rugged trail ultramarathon with 50 mile and 100 mile options that climb high alpine terrain. Limited fields, major prize money and charity support draw elite and adventurous runners.

Experience the Red Feather Trail Jamboree at Ben Delatour Scout Ranch with 50 mile, 50K and half marathon options across high elevation singletrack and technical mountain trails. Expect big views, wildlife and well stocked aid stations.