Event details subject to change. Please confirm all information via event website.
Week of Events
Sunday, September 7, 2025
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September 7, 2025 -RMRR Fall Marathon Training Series
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Featured September 7, 2025 -Featured Denver Rocks Run 5K/10K
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September 7, 2025 -New Vision 5K
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September 7, 2025 -Flyin’ Lion 5K
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September 7, 2025 -Honey Bee Hustle
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September 7, 2025 -Rebel Run 5K
RMRR Fall Marathon Training Series
RMRR’s Marathon Training Series provides 10M and 20M races that are low cost, friendly, fully supported, and officially timed. All you need to do is focus on your running! Our races fit perfectly in training schedules for Colfax, Boston, New York, Chicago, and other full and half marathons. Everyone is welcome at our MTS races: RMRR members, […]
Denver Rocks Run 5K/10K
We all know Denver is known for its world-class cultural attractions, thriving craft breweries, and red-hot music scene. Be part of the first 5K/10K running event of its kind with this rock n' roll infused run that kicks off at Civic Center Park in downtown Denver on November 6, 2021.
New Vision 5K
The New Vision 5K Run/Walk exists to support New Vision Charter School, a public school in the Thompson School District. It's main purpose is to provide our staff and students with wellness opportunities throughout the school year. The Wellness program educate our students on how to make healthy choices throughout their lives, through good nutrition […]
Flyin’ Lion 5K
The Flyin' Lion 5K returns this year to raise money to support Littleton High School’s Lions Sports Booster Club, a non-profit 501c3 made up of parent volunteers and school administrators. The race will take place at Littleton High School on October 2nd, 2022.
Honey Bee Hustle
Are you ready to challenge yourself? We will have a 1-mile loop open for 1 ½ hrs. Who can run the most loops in 1 ½ hrs? Who can run the fastest? We will have awards for different categories. Come challenge yourself at the Honey Festival while running the Honey Bee Challenge! There will be […]
Rebel Run 5K
Join Conservation Colorado for the first-ever Rebel Run 5k! Run, walk or stroll to show your passion for Colorado's climate, air, land, water and communities. Create or join a team, or go solo – every dollar you donate or raise supports Conservation Colorado's efforts to protect the beautiful state we love and the communities who […]
Monday, September 8, 2025
No events on this day.
Tuesday, September 9, 2025
No events on this day.
Wednesday, September 10, 2025
No events on this day.
Thursday, September 11, 2025
No events on this day.
Friday, September 12, 2025
No events on this day.
Saturday, September 13, 2025
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September 13, 2025 -Bergen Peak Half Marathon
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September 13, 2025 -RINO 5K
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September 13, 2025 -Great Bison Shuffle
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September 13, 2025 -Splashland Triathlon
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September 13, 2025 -Historic Main Street 5K
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September 13, 2025 -For a City 5K
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September 13, 2025 -Jungle Dash
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September 13, 2025 -Waldschänke Ciders 5K
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September 13, 2025 -Greenland Pack Burro Race
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September 13, 2025 -Demon Dash 5K
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September 13, 2025 -Flying Falcon Downhill Mile
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September 13, 2025 -Oktoberfest 5K Trail Run
Bergen Peak Half Marathon
This race is epic! Bergen Peak runners will endure the rolling hills of Elk Meadow and the strenuous switchbacks of Bergen Peak and Too Long Trail. While ascending approximately 1,500 feet, runners will peak at a total elevation of 9,000 feet as they cover this 13.1 mile course. Participants should meet at the Buchanan Park […]
RINO 5K
Take the roads of the RiNo Art District this fall for a fun run or walk through Denver’s most vibrant neighborhood. Sign up for the 5K or 1 mile, or both, and explore the amazing street art during a morning of community, exciting races and positive vibes!
Great Bison Shuffle
Join the Cheyenne Regional Medical Center Foundation for this scenic trail run/walk at the Terry Bison Ranch. Distances include a half marathon, 10K, 5K and 2K. The terrain includes gentle rolling prairie pasture, a short rocky hill we refer to as “The Terry Bison Incline”, and buffalo trails. This scenic course is at times challenging […]
Splashland Triathlon
Catch a glimpse of the Great Sand Dunes National Park with six 14’nrs in the background Mt. Blanca, Colorado’s 3rd highest peak overlooks the valley floor.
Historic Main Street 5K
Join us for this family-friendly event! The 5K run/walk will begin and end on Elizabeth’s historic Main Street, featuring a new and exciting course that crosses the reconstructed trail bridge and heads north into Evans Park, with a mix of pavement and dirt for varied terrain. The Family Color Run will take place in Running […]
For a City 5K
Hey Runners! Did you know that Douglas County has one of the highest percentages of teen suicide in the United States? Thrive Church is committed to awareness of this crisis and being on the solution side of the problem. We've partnered with the Children's Hospital to take intentional steps to make a difference, and we […]
Jungle Dash
Come join us for a 1-mile fun run, as we kick off the Wild Wonderful Saturday events. Plan to stay and check out the Wild Zone. Welcome adventurers, explorers, and vine-swinging daredevils! You are invited to join us for a ROARING good time! This is going to be the WILDEST Jungle Dash of the year! […]
Waldschänke Ciders 5K
Join us for the Waldschänke Ciders 5k on September 13, 2025, for a 5k-ish, fun run event that starts and ends at this awesome cidery in Denver. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft cider at the finish line. Start windows will be available […]
Greenland Pack Burro Race
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. […]
Demon Dash 5K
Lace up your shoes and join us for the Demon Dash at its new course at the NAAC! We're excited to bring this course its new home and onto dirt! Whether you are a runner or walker, this will be a fun community event for all. This year's race will follow the high school races […]
Flying Falcon Downhill Mile
Looking to run the fastest mile you possibly can? Dropping 220 feet, the Flying Falcon Downhill Mile will allow you to run the absolute fastest mile possible. Taking place on the beautiful campus of the US Air Force Academy, the race will start at the top of Academy Dr. near Doolittle Hall and will finish […]
Oktoberfest 5K Trail Run
The Oktoberfest 5K returns this fall on Saturday, September 13th, offering an active start to a festive weekend. Lace up your running shoes and experience the changing aspens and beautiful scenery in this 5K trail run on Town of Breckenridge Trails, finishing right in Blue River Plaza on Main Street in time to enjoy the […]
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