Trail Running calendar near Erie 2026-2027

Experience a series of midweek trail races at Lory State Park with distances ranging from 5km to 12km. Enjoy a post-race social with pizza and beverages after navigating the scenic trails of Fort Collins.

Event Overview Run the Rockies Trail Race is a trail running event held in Frisco, Colorado. The event offers three distances: a 5 km, a 10 km, and a half marathon. All races start and finish at the Frisco Nordic Center on Recreation Way. C..

Experience a focused trail run through the hills of Lory State Park with 1,700 feet of elevation gain. Enjoy a post-race social with pizza and beer in a scenic outdoor setting limited to 100 participants.

A four-race trail series on Tuesday evenings in August in Lory State Park. Distances include 5K, 10K, and 12K routes with varying elevation. Pizza and drinks follow each race, with series awards at the end.

Run along Boulder Reservoir on flat, mostly dirt trail courses with sweeping Rocky Mountain views. Choose from 10K, 3 4 marathon, half, full marathon or relay, with USATF certified courses, a shirt and a finisher medal.

Experience the first ever trail race through the iconic red rocks of Roxborough State Park. Tackle 50 miles or 50k of technical singletrack and high country terrain before enjoying a finish line celebration with food trucks and local brew.

Run the trails around Standley Lake in Westminster, Colorado. Choose from five distances, from a 5K to a 50K, on out-and-back dirt routes. Experience a cupless race with scenic views and a festive atmosphere.

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

Experience a hilly 5k trail race through the scenic Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in this midweek summer series event.

A four-race trail series on Tuesday evenings in August in Lory State Park. Distances include 5K, 10K, and 12K routes with varying elevation. Pizza and drinks follow each race, with series awards at the end.

Experience a high altitude trail run through the Rocky Mountains on 100 percent unpaved roads and trails. This dog friendly event in Fraser supports children facing cancer through the Shining Stars Foundation.

Experience high altitude trail running through the scenic singletrack and historic landmarks of Staunton State Park. Choose between a full or half marathon featuring sweeping mountain views and a festive post-race meal.

The Antelope Dash is a trail running event in Curt Gowdy State Park, Wyoming. Runners can choose between 4-mile and 8-mile courses through scenic landscapes with rolling hills and granite formations. The races start at over 7,300 feet, offe..

Experience a fast and flat 12k trail race through the scenic Valley Trails of Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in Bellvue.

Explore the rolling trails of Castle Rock's Miller Park at the Rock Hawk Trail Races. Choose from four distances, from a 5K to a 50K, on a course that supports local trails. The event features aid stations and a festive start/finish area fo..

Join a family friendly trail event in Aurora featuring 5K distances and a kids run. Enjoy dog demonstrations, a pancake breakfast, and a kids fun zone while supporting therapy and patrol K9 units.

Event Overview The Front Range Ultra Dayze (FRUD) is a multi-day running festival taking place in Loveland, Colorado. It features a variety of ultra-distance and timed events, with a total participant cap of 200 runners. Distances and Forma..

Experience a mountain trail race at Arapahoe Basin featuring a 9.4 mile course with over 2200 feet of vertical gain. Runners can compete in Pro, Expert, or Sport divisions for cash and gear prizes.

Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.

Test your endurance at Staunton State Park with weighted rucking options ranging from 6.5 to 21.5 miles. Choose your load and tackle the Colorado trails to support the Special Forces Foundation.