Utah and Western US Triathlon, Biathlon, Adventure, and Multisport Calendar (UT, ID, MT, NV, AZ, CO, WY, NM)

2025 Utah and Western States (ID, WY, MT, NV, CO, AZ, CA, NM) Triathlon, Duathlon, and Multisport Event Calendar

December 7, 2025Ironman 70.3 Indian Wells La Quinta, Indian Wells, CA, 70.3 mile course, Ironman , [email protected], ironman.com

March 27, 2026Antelope Island Duathlon, Syracuse, UT, Run Bike Run on the causeway, Joe Coles, 801-335-4940, [email protected], legacyduathlon.com, onhillevents.com

March 28, 2026Ironman 70.3 Oceanside, Oceanside, CA, 70.3 mile course, Ironman , [email protected], ironman.com

April 11, 2026St. George Triathlon, St. George, UT, Beginner, Sprint, and Tuff Kids races, starting between 9 am and 2 pm. Indoor swim, outdoor route for run and bike legs. Cap of 300 each category., Aaron Metler, 435-627-4054, [email protected], sgcity.org/sportsandrecreation/races

May 24, 2026Ironman Victoria 70.3, Victoria, BC, 1.2 mile swim, 56 mile bike, 13.1 mile run., Ironman , [email protected], ironmanboise.com

May 30, 2026Ironman 70.3 Hawaii, Kohala Coast, HI, 70.3 mile course, Ironman , [email protected], ironman.com

June 13, 2026Ironman 70.3 Boulder, Boulder, CO, 70.3 mile course, Ironman , [email protected], ironman.com

June 21, 2026Ironman 70.3 Coeur D’Alene, Coeur D’Alene, ID, Begins with a 1.2 mile swim in Lake Coeur d’Alene.A 56-mile winding bike course follows with the run loop along the shores of the lake to finish., 303-444-4316, [email protected], ironman.com/im703-coeur-dalene

July 11, 2026Echo Triathlon, TriUtah Points Series, Coalville, UT, 20th Annual. Warm July temperatures, a scenic ride in Utah’s unique Echo Canyon, and a run on the Historic Rail Trail makes for the perfect event for both seasoned athletes and beginners. 600 rider cap., Dan Aamodt, 385-228-3454?, [email protected], triutah.com

July 11, 2026Logan Tri, Logan, UT, Sprint and Olympic, Joe Coles, 801-335-4940, [email protected], onhillevents.com

July 12, 2026Ironman 70.3 Ruidoso, Ruidoso, NM, 70.3 mile course, Ironman , [email protected], ironman.com

July 19, 2026Ironman 70.3 Salem, Salem, OR, 70.3 mile course, Ironman , [email protected], ironman.com

July 25, 2026Ironman Boise 70.3, Boise, ID, 1.2 mile swim, 56 mile bike, 13.1 mile run., Ironman , [email protected], ironmanboise.com

August 8, 2026East Canyon Triathlon, TriUtah Points Series, Morgan City, UT, 10th Annual. This race boasts stunning scenery, a fast, technical bike course, and hometown hospitality like no other; with both Sprint and Olympic distance races to choose from. 2-transition point-to-point race, Begins at the beautiful East Canyon Reservoir. �The Sprint bike is downhill and fast (please stay safe and in control at all times.) The Olympic bike course has two short but challenging hills followed by a fast descent into Morgan City. Both distances offer a cool, scenic run along the Weber River and local neighborhoods., Dan Aamodt, 385-228-3454?, [email protected], triutah.com

August 28-30, 2026Lake Tahoe Triathlon, Tahoma, CA, Offers a truly beautiful and challenging experience.�Half Triathlon, 70.3, Olympic Triathlon, Sprint Triathlon, Duathlon, Aquabike, Todd Jackson, 530-546-1019, [email protected], Kiley McInroy, [email protected], bigblueadventure.com

September 7, 2026Murray Youth and Family Triathlon, Murray, UT, A youth and novice triathlon for ages 5-85. Distances follow USAT recommendations for each age group. Novice adults compete at the same distance as 11+ age groups. Please see Murray City Recreation, call 801-264-2614, Jo Garuccio, 801-557-6844, [email protected], mcreg.com, murray.utah.gov

September 19, 2026Brineman Triathlon, TriUtah Points Series, Syracuse, UT, 6th annual. This event not only boasts a spectator friendly swim, a bike course you’ve only dreamt of and a fast/ flat run, but this year it’s also the home of the first ever Olympic Course Utah State Triathlon Championship. Sprint, Olympic, and Long Courses, Dan Aamodt, 385-228-3454?, [email protected], triutah.com

September 20, 2026Ironman 70.3 Washington Tri-Cities, Richland, WA, 70.3 mile course, Ironman , [email protected], ironman.com

(Visited 14,257 times, 1 visits today)