Colorado Multisport Calendar

  • Outdoor Divas Sprint Triathlon

    Union Reservoir (Longmont) 461 County Road 26, United States

    The Outdoor Divas Sprint Triathlon features a half mile lake swim, a flat and fast single loop 12.4 mile bike, and finishes with a 3.1 mile run on a gravel road that hugs the lake.

  • Boulder Sunset Triathlon

    Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United States

    Join us for an unforgettable morning at the Boulder Reservoir. Although this race does not take place at sunset, it will take place at the end of the summer-- it's sister race is the Boulder Sunrise in June. Experience gorgeous views at the recently upgraded venue. All participants receive stellar race shirts and finisher medals, […]

  • Littlefoot Triathlon

    Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United States

    Enjoy a fun late season tri at beautiful Bear Creek Lake Park in the Lakewood/Morrison area. Set at the base of the foothills, the Littlefoot Triathlon starts off with a 750 meter swim in Soda Lake, with water temps expected to be approximately 70 degrees. Next, a rolling bike 15K bike ride that covers nearly […]

  • Lake Nighthorse Sprint & Olympic Triathlons

    Lake Nighthorse 1795 C.R. 210, Durango, CO, United States

    Sprint Distance Triathlon - 750M Swim, 20km Bike, 5km Run Olympic Distance Triathlon - 1500M Swim, 40km Bike, 10km Run

  • Oktoberfest Sprint Triathlon

    Union Reservoir (Longmont) 461 County Road 26, United States

    The Oktoberfest Sprint Triathlon features a half mile lake swim, a flat and fast single loop 12.9 mile bike, and finishes with a 3.1 mile run on a gravel road that hugs the lake. Please see course maps for a full description. Overall this is a beginner friendly course, and sets up very well for […]

  • IRONMAN World Championship – Women’s Race

    Nice, France Nice, HI, France

    The very best will embark on a 140.6-mile journey that presents the ultimate test of body, mind and spirit. Through decades of stellar athlete performances, inspirational participants and emotional memories, the IRONMAN World Championship has etched a reputation as the pinnacle of the triathlon landscape and an iconic global sporting event.

  • Last Call Triathlon

    Boyd Lake State Park (Loveland) 3720 N County Road 11-C, Loveland, CO, United States

    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, great weather and a family fun venue! Did we mention camping? Yup! There’s that too. Sitting on the east side of Loveland and southeast of Fort […]

  • IRONMAN World Championship – Men’s Race

    Kailua-Kona, Hawaii Kailua-Kona, HI, United States

    The very best will embark on a 140.6-mile journey that presents the ultimate test of body, mind and spirit. Through decades of stellar athlete performances, inspirational participants and emotional memories, the IRONMAN World Championship has etched a reputation as the pinnacle of the triathlon landscape and an iconic global sporting event.

  • Yeti Chase 5K & 10K

    Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United States

    The Yeti Chase 5K & 10K take place at beautiful Bear Creek Lake Park in Lakewood. This is the 13th 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 it's diverse bird and […]

  • Frisco Gold Rush

    Frisco Nordic Center 616 Recreation Way, Frisco, CO, United States

    The Annual Frisco Gold Rush is the longest running Nordic event in Colorado, and consists of classic and skate races open to skiers of all ages and abilities. Gold Rush is where the past and present come together to celebrate our historical mining heritage and embrace our snowy Nordic culture. KIDS 1K FUN SKI 5K […]

  • Frisco Freeze Fat Bike Race

    Frisco Nordic Center 616 Recreation Way, Frisco, CO, United States

    Join us for the Annual Frisco Freeze Fat Bike Race at the Frisco Nordic Center. This is your one chance this winter to ride your fat bike on the Frisco Nordic trails and the Frisco Freeze is back in 2022 with an all new course! This fun course showcases amazing views of Buffalo Mountain and […]

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