Event details subject to change. Please confirm all information via event website.
Week of Events
Blue Sky Trail Marathon
Blue Sky Trail Marathon
Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit […]
Sunday, October 18, 2026
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October 18, 2026 -PPRR Fall Series II
PPRR Fall Series II
The Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at a different distance, getting longer as the series progresses.
Monday, October 19, 2026
No events on this day.
Tuesday, October 20, 2026
No events on this day.
Wednesday, October 21, 2026
No events on this day.
Thursday, October 22, 2026
No events on this day.
Friday, October 23, 2026
No events on this day.
Saturday, October 24, 2026
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October 24, 2026 -Canyonlands Ultra
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October 24, 2026 -Bridge Runner Ultra
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October 24, 2026 -Beware the Bear Trail Races
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October 24, 2026 -Race to Cure Sarcoma 5K
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October 24, 2026 -MonsterDASH
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October 24, 2026 -Hoofin’ It Through the Hollows 5K
Canyonlands Ultra
Canyonlands 100K, 50 Mile, 50K, Marathon, Half Marathon, and 15K Canyonlands Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall standing Navajo Sandstone domes and fins can be seen from many places along the course. From smooth double […]
Bridge Runner Ultra
Discover the scenic 35-mile loop starting in Canon City, Colorado, tracing along the Arkansas River and through historic Tunnel Drive tunnels. Ascend to 7,109 feet for panoramic views of Royal Gorge and Pikes Peak. Runners navigate pristine singletrack in Royal Gorge Mountain Park, cross the highest US bridge, and descend through Temple Canyon. With only […]
Beware the Bear Trail Races
Run the original Bear Creek Lake Park trail race - the Beware the Bear Trail Races - on October 17th. This trail race consists of a 14.2K or a 5K. Or do them both with the double! There is also a kids 1K.
Race to Cure Sarcoma 5K
The Race to Cure Sarcoma (RTCS) is the premier run/walk series in the United States, focused on raising awareness, providing education, and research funds for sarcoma. Each year, the Sarcoma Foundation of America (SFA) hosts more than (20) RTCS events across the country. We provide a unique space in the sarcoma community where patients, survivors, their friends, […]
MonsterDASH
Colorado's Favorite Halloween Runs....Each year the Theme Changes!! This festival on Sloan's Lake, brings scary music, tons of Blow Ups, Carnival Games and Scary Clowns. The 5k and 10k run loops around beautiful Sloan's Lake and finishes in the CIRCUS Expo....with Games, Hot Dogs, Pop Corn and Balloons. The Race starts at 9:30am for the […]
Hoofin’ It Through the Hollows 5K
Runners of all ages and abilities, families, and dogs are all welcome to join us for this Halloween celebration! Dress in your Halloween best for a chance to win prizes at the pre-race the costume contest before the race at 5 pm.
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