Boulder Sunrise Triathlon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesKick off your summer of racing in Boulder.
Colorado Triathlete
Your news source for triathlon in Colorado since 1999!
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Colorado Multisport Calendar
Triathlon
Frisco Triathlon
Frisco Bay Marina 267 Marina Road, Frisco, CO, United StatesAre you looking for a new challenge this summer? Register for the 8th Annual Frisco Triathlon featuring stand-up-paddle boarding, mountain biking, and trail running. This twist on a triathlon is open to all ability levels and encourages athletes to take on a new multi-sport event. The Frisco Triathlon was named “Best Triathlon” in Elevation Outdoors […]
Boulder Peak Triathlon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe Boulder Peak Triathlon, Duathlon & Aquabike on July 10th is one of the countries longest and most well-known triathlons. For the veteran or first time racer, this is THE can’t miss event of the summer triathlon season, and the crown jewel of the Colorado Triathlon Series. Racers are tackling the infamous “Olde Stage” Hill, […]
XTERRA Beaver Creek
Beaver Creek Beaver Creek, CO, United StatesXTERRA USA Championship in Beaver Creek, Avon, Colorado
Lonetree Sprint Triathlon
Lonetree Reservoir (Loveland) Lonetree Reservoir, Loveland, CO, United StatesThe inaugural Lone tree Sprint was a success and we’re happy to be continuing this event on July 23rd! We LOVE this event, great mid-season race, open water swim and bike course with minimal traffic and a flat out and back run on asphalt and dirt. With a slightly longer bike than your traditional Sprint, […]
Tri Boulder
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesAs one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day! Join us for a full day of racing at the Rez.
Steamboat Lake Triathlon
Steamboat Lake State Park 61105 County Road 129, Clark, CO, United StatesAfter last summer this event instantly became a personal favorite for our staff, volunteers, and athletes - come find out why! We couldn't be more excited about this course, this lake, and the overall experience. The swim starts out in the surprisingly warm waters of Steamboat Lake (74 degrees average race temp), then athletes transition […]
IRONMAN Lake Placid
Lake Placid, New York Lake Placid, NY, United StatesWhen you think of the world's greatest, most sought after triathlons, a very short list of events from around the world comes to mind. The best of the best-triathlon royalty. IRONMAN Lake Placid is one of those special events, an icon of the sport that draws in triathletes from all over the world to test […]
Stagecoach Gravel Triathlon
Stagecoach Reservoir (Steamboat Springs) 25500 County Road 14, Oak Creek, CO, United StatesWe didn't get the chance to launch this race in 2020, but that didn't diminish our passion for this brand new style of triathlon! To say this race is “unique” would be an understatement! Limited to just 250 athletes, we're excited to announce the first ever gravel triathlon to the Colorado triathlon landscape! This event […]
IRONMAN 70.3 Boulder
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United States2022 IRONMAN 70.3 Boulder will now offer qualifying slots to both 2022 Intermountain Healthcare IRONMAN 70.3 World Championship and slots to 2023 IRONMAN 70.3 World Championship in Lahti, Finland.
XTERRA Portland
Portland, Oregon Portland, OR, United StatesFor a novice looking for a new challenge or a seasoned veteran looking to match up against the country's best athletes, 2022 XTERRA Portland is the place to test your limits. 26 World Champs Slots
Longmont Try a Tri
City of Longmont Recreation Center 310 Quail Rd, Longmont, CO, United StatesJoin us for two triathlon races! Featuring scenic running and biking courses starting and finishing at the Longmont Recreation Center, 310 Quail Rd., these races are a perfect introduction to the sport for kids or adults looking to try something new! The year, we have two events: the 17th Annual Kids Only Triathlon and 10th […]
