2025 Utah and Western States (ID, WY, MT, NV, CO, AZ, CA, NM) Triathlon, Duathlon, and Multisport Event Calendar
March 22, 2025 — Icebreaker Sprint Triathlon & 5K, Tri Utah, American Fork, UT, Kick-off the Utah Triathlon season at the American Fork Rec Center. The IceBreaker is for athletes of all abilities! Post race breakfast and pictures with the TriUtah Yeti, Dan Aamodt, 385-228-3454?, [email protected], triutah.com
April 4, 2025 — Antelope Island Duathlon, Syracuse, UT, Run Bike Run on the causeway, Joe Coles, 801-335-4940, [email protected], legacyduathlon.com, onhillevents.com
April 12, 2025 — St. 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 17, 2025 — RAGE Triathlon, BBSC Double Down Series, Boulder City, NV, Featuring an Olympic, Sprint, Relay, DU, Aquabike, 10k and 5k. Located less than ten miles to famous vacation destinations, including the Las Vegas Strip and Hoover Dam. This race sells out at 1,300 athletes and is a favorite in the southwest, as it attracts athletes from all over the globe!, Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
May 24, 2025 — Woman of Steel Triathlon & 5K, TriUtah, American Fork, UT, Utah’s first and most popular all-womens triathlon located in American Fork, Utah. Join us as we celebrate the strong women we love with a great venue. New this year is the 5k and we’re feeding you breakfast, Dan Aamodt, 385-228-3454?, [email protected], triutah.com
May 31, 2025 — Sand Hollow Triathlon, BBSC Tri Series, Hurricane, UT, The first race of the Twin Tri series at Sand Hollow State Park, with Sprint, Olympic, Du, Aquabike, 10k, and 5k distances. Bike along scenic sand dunes, and run around a gorgeous, reflective lake., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
June 7, 2025 — Colorado Triathlon, Boulder, CO, Sprint and Olympic distances, at Boulder Reservoir, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
June 14, 2025 — Jordanelle Triathlon, TriUtah Points Series, Park City, UT, 22nd annual, Enjoy everything from the wildlife and boardwalks on the river bottoms in Rock Cliff Recreation Area at Jordanelle to the local country backdrop of the towns of Francis and Woodland., Dan Aamodt, 385-228-3454?, [email protected], triutah.com
June 21, 2025 — XTERRA Lory, XTERRA America Tour, Bellvue, CO, 1/2 mile swim in the clear waters of Horsetooth Reservoir (Eltuk Bay), then a 2-Lap (beginner friendly) 12.2 mile single-track bike over rolling terrain, and across valley bridges at Lory State Park. Finish things off with a fun and challenging 4.8 mile (8k) run through the clouds on single-track trails!, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co/#!__xterra-lory
June 22, 2025 — Ironman 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
June 29, 2025 — Boulder Sunrise Triathlon, Boulder, CO, Join us in celebrating the start of summer in the triathlon capital of the country, Boulder, CO. An athlete favorite with its breath-taking sunrise swim, fast bike and smooth run course, all with the flatirons painted in the background.�Includes olympic, sprint, Relay, duathlon, Aquabike, 10k, and 5k., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
July 12, 2025 — Echo 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 12, 2025 — Logan Tri, Logan, UT, Sprint and Olympic, Joe Coles, 801-335-4940, [email protected], onhillevents.com
July 13, 2025 — Boulder Peak Triathlon, Boulder, CO, Sprint and Olympic distances, at Boulder Reservoir, Triathlon, Duathlon, Aquabike, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
July 19, 2025 — Tri Boulder, BBSC Twin Tri Series, Boulder, CO, One of the fastest growing triathlons in Colorado. Challenge yourself at mile high elevation, Sprint, Olympic, and Half distances., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
July 26, 2025 — Burley Idaho Lions Spudman Triathlon, Burley, ID, Starts at 7 am with the world’s fastest 1.5K swim (current-aided) then a 40K Bike and 10K run., Cade Richman, [email protected], spudman.org
July 27, 2025 — Steamboat Lake Triathlon, Steamboat Lake, CO, Sprint Distance Triathlon, Aquabike,�& Stand-Up Paddle-Board Options at Steamboat Lake, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
August 9, 2025 — East 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 9, 2025 — Rocky Mountain Tri Fest, BBSC Triathlon Series, Boulder, CO, Gravel and Kids Triathlons, Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
August 10-October 1, 2025 — COEUR Outdoor Divas Triathlon, Longmont, CO, Union Reservoir, Sprint, women only triathlon, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
August 23, 2025 — Boulder Sunset Triathlon, Boulder, CO, Summer may be coming to an end, but our tri season is still heating up! Join us at the Boulder Reservoir for the 13th Annual Boulder Sunset Triathlon, a local favorite.�Includes olympic, sprint, duathlon, Aquabike, 10k, and 5k., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
September 5, 2025 — Brineman 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 6, 2025 — Littlefoot Triathlon, Lakewood, CO, Enjoy a fun late season tri at beautiful Bear Creek Lake Park in a land before time. Set at the base of the foothills, the Triathlon starts off with a 750 meter swim in Big Soda Lake, with water temps expected to be approximately 70 degrees. Next, a rolling 15K bike ride on smooth paved roads that covers nearly the entire park, offering great views throughout! Finish it up with a scenic 5K run on a bike path that winds through the park, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
September 12-13, 2025 — Master of the Mountains Relay, Raton, NM, Trail run (approx. 6 miles), Paddling (approx. 3 miles), Biking (approx. 15 miles on rugged dirt roads), Shooting Course (shotgun), Jared Chatterley, 719-680-4078, [email protected], purg4.com
September 13, 2025 — Bear Lake Brawl Triathlon, St. Charles, ID, Bluest water in Utah and Idaho. This is often called the Caribbean of the rockies. The course will go around the lake again for the Half and Full. This course is primarily flat with rolling hills., Joe Coles, 801-335-4940, [email protected], bearlakebrawl.com, onhillevents.com
September 13, 2025 — Harvest Moon Triathlon, BBSC Triathlon Series, Boulder, CO, Half Distance Triathlon: The 25th edition of this event takes place at the beautiful Boulder Reservoir. Est. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor, Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
September 21, 2025 — Oktoberfest Triathlon, Longmont, CO, Union Reservoir, Sprint, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
September 27, 2025 — Kokopelli Triathlon, BBSC Triathlon Series, Hurricane, UT, This family-friendly event at Sand Hollow Reservoir has something for everyone! Featuring a Sprint, Olympic, Duathlon, Aquabike, 10k and 5k distances., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
October 4, 2025 — Las Vegas Triathlon, BBSC Double Down Series, Boulder City, NV, The one and only Long course Triathlon, Duathlon and Aquabike is happening�at Lake Mead, featuring iconic views of the lake that cannot be experienced anywhere else.�Featuring a Half, Olympic, Sprint, Duathlon, Aquabike, and 10k, 5k, Boulder Beach, Lake Mead., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
October 11, 2025 — Huntsman World Senior Games Triathlon, St. George, UT, Triathlon. Must be 50 years or older. 450 Meter Outdoor Swim, 20K Bike, 5K Run. It’s the best little triathlon in the world., Jason Ranoa, 800-562-1268, 435-674-0550, [email protected], seniorgames.net
October 25, 2025 — Southern Utah Triathlon, Hurricane, UT, Sprint and Olympic. Held at Quail Creek Reservoir, Temps are ideal for triathlons with water temps in the high 60’s to low 70’s and air temps in the 70’s. This venue is truly beautiful with mesas and buttes all around. Enjoy the red rock landscape of Southern Utah., Joe Coles, 801-335-4940, [email protected], southernutahtriathlon.com, onhillevents.com
October 25, 2025 — Pumpkinman Triathlon, BBSC Double Down Series, Boulder City, NV, This point-to-point race starts at Lake Mead and finishes at Wilbur Square in Boulder City. This race will once again host the Rocky Mountain�Collegiate Conference, with an�Olympic wave start for all college athletes., Craig Towler, 318-518-7303, [email protected], Michelle Lund, [email protected], bbsctri.com
