Event details subject to change. Please confirm all information via event website.
Week of Events
Sunday, December 7, 2025
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December 7, 2025 -Tortoise & Hare 6K
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December 7, 2025 -Rock Canyon Half Marathon
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Featured December 7, 2025 -Featured Rudolph Ramble 5K
Tortoise & Hare 6K
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 […]
Rock Canyon Half Marathon
It is exciting to bring you another exquisite day of racing alongside the scenic Arkansas River! This is a fast course that starts in Pueblo's City Park and takes you around the zoo just for starters. Then you drop down to the gorgeous rivertrail, where you will be encompassed with nonstop gorgeous terrain and scenery. […]
Rudolph Ramble 5K
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.
Monday, December 8, 2025
No events on this day.
Tuesday, December 9, 2025
No events on this day.
Wednesday, December 10, 2025
No events on this day.
Thursday, December 11, 2025
No events on this day.
Friday, December 12, 2025
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December 12, 2025Chase the Glow 5K
Chase the Glow 5K
Come experience the Estes Park lights at this family friendly Christmas run/walk. Participants will follow a paved 4 mile route through all of Estes Park's amazing holiday light displays finishing in Bond Park surrounded by the Christmas village. Stay warm and cozy after the run with hot chocolate and Christmas cookies made locally.
Saturday, December 13, 2025
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December 13, 2025 -Santa Shuffle 5K
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December 13, 2025 -YMCA Jingle Jog
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December 13, 2025 -Stocking Run 5K
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December 13, 2025 -Santa Claus Run
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December 13, 2025 -Main Street Kids Run
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December 13, 2025 -Summit For Life
Santa Shuffle 5K
HO HO HO! Let's kick off the holiday season with our Santa Shuffle at Fleet Feet Littleton! Join us for a family friendly Santa-themed 5K around Clement Park. New Balance is joining us with demo shoes, raffle prizes, and MORE! This year's event will feature a new 5K course, vendor village, several food trucks to […]
YMCA Jingle Jog
Get ready for the Annual Jingle Jog 5K and Kids' Reindeer Romp as we take on the fun and festive course at the Fountain Creek Regional Park! We are excited to announce that the Jingle Jog will utilize the 5K cross-country at the Fountain-Fort Carson High School.The event's growth has led us to look for […]
Stocking Run 5K
Join us on Saturday December 13th for a fun and festive, family-friendly 5K run and walk in the town of Superior - conveniently located off Highway 36 between Denver and Boulder. Get a head start on the holiday season with the Stocking Run! EXCITING VENUE IN DOWNTOWN SUPERIOR!!! Last year, we moved to the Stocking […]
Santa Claus Run
A festive Celebration with Santa, Trail Running and plenty of Cookies and Music to get you in the Holiday Spirit. This 5k and 10k Trail Race is in Louisville and with Blowup Balloons and Christmas decorations makes for a holiday extravaganza. A selfie wall with a visit from SANTA CLAUS finishes off the day. We […]
Main Street Kids Run
Join us for the Annual Main Street Mile Kids Run, hosted by Shoes & Brews and the Longmont Downtown Development Authority (LDDA). This merry mile (just about one mile total) is open to all ages, all abilities, and all levels of holiday spirit! Before the Longmont Lights Parade takes over downtown, enjoy a rare moment […]
Summit For Life
Join the Summit for Life on December 4th. In this exciting event, participants race from the base of Aspen Mountain all the way to the top! Racers will climb 3,267 vertical feet, over the course of 2.5 miles—at night! Dinner will be provided by The Little Nell at the summit.
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