Event details subject to change. Please confirm all information via event website.
Week of Events
Sunday, March 1, 2026
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Featured March 1, 2026 -Featured That DAM Run Half Marathon
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March 1, 2026 -Polar Plunge 5K
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March 1, 2026 -Time to Paddy Race
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March 1, 2026 -Tortoise & Hare 10K
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March 1, 2026 -RMRR 5K
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March 1, 2026 -Tony O’Rourke Memorial Snowshoe Shuffle
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March 1, 2026 -Splash & Dash II
That DAM Run Half Marathon
The RunDenver Series is the original running series in Colorado and has been a staple for over three decades. Produced by HAL Sports, the series promises a fun time through those winter months, motivating you to stay, or get, active. That Dam 13.1M, 10K, 5K at the Cherry Creek Dam has a little something for […]
Polar Plunge 5K
Are you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & 5K promises non-stop excitement and heart-pumping fun - all while supporting Special Olympics Colorado. Take the plunge into a chilly pool, dash through the 5K, or double […]
Time to Paddy Race
Join us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), chip-timing, live results and awards, free photos, a "biggest team" contest, a kids' dash, great post-race food, and plenty of fun! […]
Tortoise & Hare 10K
The Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the month. Computer-predicted times allow runners of all levels to compete equally. Runners start at staggered intervals with faster runners (Hares) trying to catch slower runners […]
RMRR 5K
Everyone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed. Just show up an hour before the start and we’ll get you ready for your race. It’s an […]
Tony O’Rourke Memorial Snowshoe Shuffle
Strap on your snowshoes and join us as we march around the beautiful Beaver Creek Golf Course for the inaugural Tony O'Rourke Memorial Snowshoe Shuffle! There will be 2 distances to choose from, a 5K & a 10K, as well as a FREE Kid's Fun Run through Creekside Park! The event will conclude with brunch […]
Splash & Dash II
Join us for a Kids’ Splash & Dash Series this winter at the Louisville Rec Center! Get ready for a fun, energetic winter racing experience! Each event features an indoor swim in the Louisville Rec Center pool, followed by a run on the outdoor trail. In the case of bad weather, the run will move […]
Monday, March 2, 2026
No events on this day.
Tuesday, March 3, 2026
No events on this day.
Wednesday, March 4, 2026
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March 4, 2026COPS 15K
COPS 15K
The Colorado Outdoor Pace Series ("C.O.P.S.") is a unique set of races presented by Golden Mountain Runners and Golden Endurance. Race Dates January 7, 2026 - 5K January 21, 2026 - 45 Minute Timed Race February 4, 2026 - 10K February 18, 2026 - 60 Minute Timed Race March 4, 2026 - 15K March 18, […]
Thursday, March 5, 2026
No events on this day.
Friday, March 6, 2026
No events on this day.
Saturday, March 7, 2026
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March 7, 2026 -Polar Plunge 5K
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March 7, 2026 -PPRR Nielson Challenge
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March 7, 2026 -LWC 5K Costa Rica Fundraiser
Polar Plunge 5K
Are you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & 5K promises non-stop excitement and heart-pumping fun - all while supporting Special Olympics Colorado. Take the plunge into a chilly pool, dash through the 5K, or double […]
PPRR Nielson Challenge
Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
LWC 5K Costa Rica Fundraiser
Join us for a 5K run/walk with a purpose! This fundraiser supports an upcoming mission trip to Costa Rica and helps provide a safe, stable home for a family in need. All proceeds will go toward the construction of a home in Costa Rica through our partnership with YWAM, an organization with a long-term presence […]
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Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.