A WORLDWIDERUNNING NETWORK SITE — YOUR INTERNATIONAL RUNNING EVENTS CALENDAR



Nov

26

2026

Louisville, Colorado (United States of America) - "Louisville Turkey Trot". The Annual AdventHealth Avista Louisville Turkey Trot was created as a means to collect food and donations for our local food bank. As the event grew, the Louisville Turkey Trot became an annual tradition in Boulder and Broomfield Counties as the community comes together to celebrate the holiday and support the fight against hunger. We invite you to join your neighbors and friends on Thanksgiving morning for the 2026 Advent Health Avista Louisville Turkey Trot. Your entry and any food or monetary donations go directly to support Community Food Share, whose mission is to eliminate hunger in Boulder and Broomfield Counties. So register and invite your friends and family to join us in supporting a great resource for folks in the community, while celebrating a day of thanks with your community. The Louisville Turkey Trot is now in its 13th year. Last year's race raised more than $90,000 for Community Food Share. For every $1 donated, Community Food Share can provide $6 worth of groceries! https://louisvilleturkeytrot.org

Nov

26

2026

Windsor, Colorado (United States of America) - "Pelican Lakes Turkey Trot - 5k Run or Walk". Stroller and dog friendly, this course goes through Water Valley, starting and ending at the Pelican Lakes golf course parking lot. Receive a light breakfast food, coffee, hot chocolate as well as one free beer in the The Banquet Room at Pelican Lakes. Prizes for top finishers. The Pelican Lakes Turkey Trot is back, so join run.Windsor for a great 5K walk or run before you celebrate Thanksgiving. Proceeds benefit Athletes in Tandem, and participants are encouraged to bring a non-perishable food donation for the Weld County Food Bank. This race is great for the whole family. Race start/finish location: 1620 Pelican Lakes Point, Windsor, CO 80550, with parking available at the race start/finish and overflow parking along Water Valley Parkway. Race day packet pick up is from 7:30 to 8:30am with coffee and hot chocolate available. The 5K run starts at 9:00am, the 5K walk at 9:05am, the awards ceremony at 10:30am, and post Turkey Trot snacks, beer, coffee, hot chocolate, and fun will be available inside The Banquet Room at Pelican Lakes from 9:30 to 11:30am. Packet pick up is also available on Wednesday, November 25, with time and location to be determined. Prizes for top finishers. https://runsignup.com/Race/CO/Windsor/PelicanLakesTurkeyTrot

Nov

27

2026

Salida, Colorado (United States of America) - "Christmas Mountain 5 Mile and 1 Mile Run". Celebrate Thanksgiving weekend and the lighting of Christmas Mountain in Salida with a 5 mile and 1 mile race! The 5 mile course begins and ends by Riverside Park in downtown Salida. Race course is very scenic and mostly flat and takes place on city and county roads and concrete pedestrian paths. This event is designed for all runners, and we encourage all ages and abilities to come out! Packet pickup, post race drinks and snacks, and awards will also take place in Riverside Park in downtown Salida. Race begins at 10am, giving participants time to sleep in after Thanksgiving, and then relax with friends and family before heading back to downtown Salida for the lighting of Christmas Mountain. Festivities in town associated with this event include the annual Christmas Mountain parade, beginning at 6pm. This is one of Salida's biggest and most celebratory nights each year. The goals of this event are to encourage health, fitness, fun, and community connection around the Thanksgiving holiday; to offer another competitive racing opportunity in Chaffee County; and to raise money during the holiday season for the Chaffee County Community Foundation. Prize money will be offered to the top finishers: top 3 M/F overall ($150/$100/$75), along with the first place M/F masters runner ($100). There will also be a one mile run, which will begin at approximately 10:05am. Participants will run down Sackett Avenue, turn around after 1/2 mile, and head back to the finish line. This race will be timed, all competitors will receive a participant ribbon, and post race snacks are included. https://runsignup.com/Race/CO/Salida/ChristmasMountainRun?aflt_token=7LipmEOzbECERDzMZ3v2Xv14ohnqORDf

Dec

12

2026

Superior, Colorado (United States of America) - "Superior Stocking Run 5k". Join us on Saturday December 12th 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!!! Racing Undergrounds’ famous banana chocolate chip bread will be served. This is also the first race in the Racing Underground winter running series. Pick one race, or do all three! https://www.racingunderground.com/winter-run-series

Jan

24

2027

Morrison, Colorado (United States of America) - "Yeti Chase 5k/10k Run". Race number two is the popular Yeti Chase 5K & 10K at Bear Creek Lake Park in Lakewood on January 24th. This is the 17th year for the Yeti Chase, and it has sold out well before race day in all previous years. After chasing down the Yeti, runners wander the park's 2,500 acres, known for its diverse bird and waterfowl population as well as stunning views of the foothills. The Yeti Chase is also the second event in the Racing Underground Winter Running Series with age group awards in every age category. Pick one race, or do all three! Series participants can choose the 5k-5k-5k Series or the 5k-10k-Half Marathon Series. https://www.racingunderground.com/winter-run-series

Feb

14

2027

Arvada, Colorado (United States of America) - "Ralston Creek Half Marathon & 5k". The Ralston Creek Half Marathon and 5K follow a mix of roads and bike paths on the west side of Arvada. The 5K is mostly flat and fast, with a small rise in the final mile. The opening four miles of the half-marathon are fairly flat, with a barely noticeable gradual gain in elevation. Miles 4 - 6.5 are rolling, with one good climb leading to the high point of the course atop Ralston Mesa. From there, the course is almost all down hill and flat to the finish. Aid stations every two miles. Finisher’s medals for all half Marathon finishers. The Ralston Creek Half Marathon & 5K is also the final event in the Racing Underground Winter Running Series with age group awards in every age category. Pick one race, or do all three! Series participants can choose the 5k-5k-5k Series or the 5k-10k-Half Marathon Series. https://www.racingunderground.com/winter-run-series

Feb

20

2027

Denver, Colorado (United States of America) - "Chilly Cheeks Winter Duathlon & 5k Run Only". The Chilly Cheeks event is held in the traditional duathlon format of Run-Bike-Run. Both runs will be 2.5 miles and the bike course will be 10.8 miles. As always, we will provide a marked and marshaled course, fast & accurate chip timing, light refreshments including Jill's famous banana chocolate chip bread, and some fun mid-winter competition in the heart of Denver. All athletes who enter before February 1st will get a pair of Chilly Cheeks Sweat Pants included with their entry! These are perfect for pulling on post-race or for lounging around the house. Those who enter on February 1st or later will have the option to purchase a pair while supplies last. https://www.racingunderground.com/chillycheeks

Apr

04

2027

Denver, Colorado (United States of America) - "Three Creeks Half Marathon & 5k". Travel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 253 feet spread out over 13.1 miles as the course follows the banks of Cherry Creek, Windmill Creek, and Cottonwood Creek on a mix of road, paved running trail, and wide dirt trails. Live online results and athlete tracking will be available. with splits at 5k, the halfway point, and 10 miles. https://www.racingunderground.com/three-creeks

May

08

2027

Palisade, Colorado (United States of America) - "Colterris Wine Run 5k". Like Running or Walking? Love Wine? This race is for you! Join us on Saturday, May 8, 2027 at 9:30am and 11:00am (you will pick your start time during registration) for an exciting annual event that features the amazing scenery and landscape of Colterris Winery! With over 75 acres of vineyards, Colterris is Colorado's largest fully Estate Grown winery and we are proud to be one of Colorado's wineries whose mission is to make outstanding world class wines that stand with the very best! So please join us for this new event and whether you are looking to run, walk or just enjoy the wine this race is a sure thing for a great time and an incredible experience! This race is timed and scored by J3 Timing. Results will be posted at www.J3Timing.com. https://runsignup.com/Race/CO/Palisade/ColterrisWineRunK?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt



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