Greenland Pack Burro Race

Greenland Open Space 1532 E Noe Rd, Larkspur, CO, United States

Welcome to the annual Greenland Open Space Pack Burro Races presented by Double Rainbow Ranch! Grab your burro and join us for a fun and rewarding day on the majestic Greenland Open Space Trail in beautiful Larkspur, Colorado. RACE RULES Each entrant will pay a fee as determined by the Race Director for each race. […]

High Lonesome 100

County Road 321 Nathrop, CO, United States

The High Lonesome 100 is a high flying endurance race in the Sawatch range of the Colorado Rocky Mountains. With 22,500' of vertical gain and reaching an elevation of 13,150', it's a hell of a course. The race runs in a loop through some of the most beautiful single track in the state, and takes runners on the Continental Divide and Colorado Trail, through 2 ghost towns, over 5 alpine passes, through remote basins, and over soaring ridges. This year's event takes place on July 30th.

Chase the Moon Trail Race

Mountain Vista High School 10585 Mountain Vista Ridge, Highlands Ranch, CO, United States

Chase the Moon is a 12-hour team relay and solo ultramarathon, run overnight under the light of the full moon in the Highlands Ranch Backcountry trail system (we promise some of the best views of the metro and front range). Run as a solo ultrarunner, or get your fellow moon-chasing friends for a 3-person or […]

Audi Power of Four Trail Race

Aspen Mountain 601 East Dean Street, Aspen, CO, United States

The Audi Power of Four Race Series is a premier endurance race series utilizing the unique and amazing terrain of each of the four Aspen Snowmass mountains. Each race is designed to test the limits and skills of both elite and recreational athletes. The event’s signature race is a challenging 50K Ultra is part of […]

Tri Boulder

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

‘The Beast’ Long Course distance will be back for its second year! As one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day. Take in the natural beauty of the mountain backdrop that sets the scene for this iconic race destination. Most of the bike […]

Heritage Eagles 5K

Heritage High School 1401 W Geddes Ave, Littleton, CO, United States

Support the Heritage Eagles cross country team at the annual Heritage Eagles 5K. Last year's race, raised over $3,500 for the Heritage Eagles xc team; $ 10.00 of every registration goes right back to supporting the team. New this year, all-you-can-eat pancake breakfast provided by Flippin' Flapjacks. The Liberty Bell Cross Country Invitational has been […]

Spring Creek Memorial Trail Run

Spring Creek Trailhead Steamboat Springs, CO, United States

This race is held in memory of Patty Brenner Hagberg who was struck and killed by a truck along the lower part of the trail in 1991. This race should remind all of us the importance of sharing multi-purpose use trails. The race is held on the beautiful Spring Creek trail with wildflowers and Aspen […]

Canceled Fox on the Run Trail Races

Turkey Springs Guard Station US Forest Service Road 629, Pagosa Springs, CO, United States

The Fox on the Run is a 10 mile and 5 mile trail race that starts and finishes near the Turkey Springs Guard Station in Pagosa Springs, CO. This 5 mile and 10 mile trail race takes place on July 16th.

$75

Pioneer Days 5K

Jack Dempsey Park 412 Main St, Manassa, CO, United States

Come join 500 of your running friends for southern Colorado's oldest and perhaps largest road race. This 5K starts and ends near Jack Dempsey Park. After the race, stick around for the great Pioneer Days parade and a day's worth of fun!

Respect Life 5K

Light of the World Catholic Church 10316 W Bowels Ave, Littleton, CO, United States

The race is the same as last year, including the new course (the path was repaved and widened!). You can participate as a runner, walker, donator, or volunteer. 5K runners and walkers can register as an individual or as a member of a team in one of two team categories, Knights of Columbus or Parish/Organization. […]

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