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Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all. To have an event posted here please follow this link: Event Policy Submission & Guidelines.
The Harvest Moon Triathlon the 21st edition of this event takes place at the beautiful Boulder Reservoir on September 11th, 2021. Est. in 2000 this Colorado classic provides the veterans to beginners a challenging,Read More
The annual Oktoberfest Triathlon on September 19th, 2021, is the party of the season and also a 2021 Mountain Collegiate Conference Race! As the leaves change color this race will officially end the Colorado Triathlon Season!Read More
The TriBella Women's Triathlon, presented by Coeur Sports, is the perfect all women's triathlon for first time triathletes looking to try the sport out, or seasoned veterans looking for a funRead More
Yes! I want ONE MORE adventure!! Escape to the lake! The Last Call Triathlon will be an event you’ll look forward to all season long. Why? Beautiful mountain views, greatRead More
