2025 Utah and Western States (ID, WY, MT, NV, CO, AZ, CA, NM) Triathlon, Duathlon, and Multisport Event Calendar
September 1, 2025 — South Davis Labor Day Triathlon, South Davis Racing Series, Bountiful, UT, Now a virtual race! Start at 8:00 am, Swim 350 yds; Bike 12.02 mi; Run 5k, relay: Split the Sprint between 2-3 racers, Novice: Swim 150 yds; Bike 2.5 mi; Run 1.5 mi Novices start at: 8:45am Location: South Davis Recreation Center; 550 N 200 W, Race Director , 801-298-6220, [email protected], southdavisrecreation.com, southdavisraces.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 7, 2025 — Ironman 70.3 Santa Cruz, Santa Cruz, CA, 70.3 mile course, Ironman , [email protected], ironman.com
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 — XTERRA Lake Tahoe, XTERRA America, Incline Village, NV, XTERRA, Sprint, and Duathlon. Course Distance: Full Course: 2X 750 meter swim laps with a 50 meter beach run, 22 mile bike, 6 mile run. Bike Tunnel Creek, and then onto the Flume Trail, which overlooks Lake Tahoe to the Tahoe Rim Trail. Both the Short and Long course complete the 22 mile bike, approximately 4000 feet of climbing. The trail running course is relatively flat, fast and scenic., Todd Jackson, 530-546-1019, [email protected], Kiley McInroy, [email protected], bigblueadventure.com/event/xterra-lake-tahoe/, xterraplanet.com
September 13-14, 2025 — The Toughman Half Long Course Triathlon Championships, Stony Point, NY, Long course tri – 1.2 mile swim, 56 mile bike, and 13.1 mile run. Part of the Toughman Series., racetri.com, toughmantri.com
September 13-14, 2025 — Desert’s Edge Triathlon Festival – Dirt Tri & Road Tri, Fruita, CO, Sprint, Olympic, and Off-Road category options, Grand Junction Sports Commission , 970-248-1378, 970-639-1387, [email protected], grandjunctionsports.org/desertsedge
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 — Valkyrie Multisport Relay, Park City, UT, Spans nearly 100 miles of Utah’s spectacular Wasatch Back mountain range. The event pits teams of up to 9 specialized competitors against each other, racing against the clock, and exchanging between trail running, kayak/canoe paddling, marathon, mountain biking, stand-up paddle boarding, open water swimming, and road cycling. Race day consists of four events: Full, Sprint, Marathon, and Half�everything culminating with an all-day Expo (Endurance Sports Summit) at the finish line., Shawn Snow, [email protected], valkyrierelay.com
September 13, 2025 — Harvest Moon Triathlon, Boulder, CO, Long Course, Olympic, Duathlon, Aquabike, & Relays. Celebrating its 26th year at the beautiful Boulder Reservoir for beginners and veterans alike, Travis Campbell, [email protected], bbscendurance.com
September 20, 2025 — Range 2 River Relay, Salt Lake City, UT, The Range 2 River Relay is an active transportation team race to explore the Salt Lake Valley’s waterways from pristine headwaters to buried creeks and channelized cannel to meandering river. Competitors will bike, boat, and run from the Wasatch Mountains to the Jordan River, showcasing opportunities to connect communities and ecosystems between the two. Bike: 3.6 miles; starting at City Creek Canyon Trailhead ending at Gadsby Trailhead.; Boat: 3.3 miles; starting at Gadsby Trailhead�ending at Northwest Trailhead.; Run: 3.4 miles; starting at Northwest Trailhead�ending at Gadsby Trailhead., Jess Lofland, 385-205-1148, [email protected], sevencanyonstrust.org/events/relay
September 20, 2025 — Rexburg Rush Triathlon, TRI Peaks Events, Rexburg, ID, Held at Wakeside Lake in Rexburg. This triathlon will include BOTH Sprint & Olympic distances. This race is a first in a 3 race series happening in Eastern Idaho, Mike Taylor, 208-201-6269, [email protected], Brian Magleby, 208-520-9400, [email protected], tripeaksevents.com
September 20, 2025 — Range-to-River Relay, Salt Lake City, UT, 7.2 mile bike, 3.3 mile paddle, 3.4 mile run. Explore the condition of the Salt Lake Valley’s waterways and learn about recreation in your backyard., Seven Canyons Trust , [email protected], sevencanyonstrust.org/events/range-river-relay
September 21, 2025 — Oktoberfest Triathlon, Longmont, CO, Union Reservoir, Sprint, Lance Panigutti, 303-408-1195, [email protected], withoutlimits.co
September 27, 2025 — Kokopelli Triathlon, Hurricane, UT, Olympic, Sprint, Duathlon, Aquabike, Relays, 10K & 5K. A family-friendly event at Sand Hollow Reservoir, Travis Campbell, [email protected], bbscendurance.com
October 4, 2025 — Las Vegas Triathlon, Boulder City, NV, Long Course, Olympic, Sprint, Duathlon, Aquabike, Relays, 10K & 5K. The one and only Long Course event at beautiful Lake Mead and USAT Nevada State Championships for Age Group, High School and Clubs, Travis Campbell, [email protected], bbscendurance.com
October 4-5, 2025 — Nevada Senior Games Triathlon, Las Vegas, NV, Sprint race . It is the Nevada Senior Games’ official state triathlon championship and qualifier for the 2025 National Senior Games. Open to triathletes ages 50 and better! 750-meter lake swim, 12.4-mile bike, 5K run within Lake Mead NRA. NVSG athletes receive 20% discount on Las Vegas Triathlon sprint race registration. Medals for top 3 finishers in each 5-year age group beginning at 50 (eligible for BBSC awards, too!). Registration opens Apr. 1., Bonnie Parrish-Kell, 702-373-5293 , [email protected], NevadaSeniorGames.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 11, 2025 — Ironman World Championship, Kailua-Kona, HI, 140.6 miles, Ironman , [email protected], ironman.com
October 19, 2025 — Ironman California, Sacramento, CA, 2.4-mile swim, 112-mile bike course, 26.2 mile run, Ironman , [email protected], ironman.com
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, Boulder City, NV, Olympic, Sprint, Aquabike, Relays, 10K & 5K. This ever-popular one-of-a-kind point-to-point race will test your mettle! Starts at Lake Mead and finishes in Boulder City, Travis Campbell, [email protected], bbscendurance.com
November 16, 2025 — Ironman Arizona, Paradox, AZ, 2.4-mile swim, 112-mile bike course, 26.2 mile run, Ironman , [email protected], ironman.com
December 7, 2025 — Ironman 70.3 Indian Wells La Quinta, Indian Wells, CA, 70.3 mile course, Ironman , [email protected], ironman.com
March 27, 2026 — Antelope Island Duathlon, Syracuse, UT, Run Bike Run on the causeway, Joe Coles, 801-335-4940, [email protected], legacyduathlon.com, onhillevents.com
March 28, 2026 — Ironman 70.3 Oceanside, Oceanside, CA, 70.3 mile course, Ironman , [email protected], ironman.com
April 11, 2026 — 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 24, 2026 — Ironman Victoria 70.3, Victoria, BC, 1.2 mile swim, 56 mile bike, 13.1 mile run., Ironman , [email protected], ironmanboise.com
May 30, 2026 — Ironman 70.3 Hawaii, Kohala Coast, HI, 70.3 mile course, Ironman , [email protected], ironman.com
June 13, 2026 — Ironman 70.3 Boulder, Boulder, CO, 70.3 mile course, Ironman , [email protected], ironman.com
June 21, 2026 — 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
July 11, 2026 — 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 11, 2026 — Logan Tri, Logan, UT, Sprint and Olympic, Joe Coles, 801-335-4940, [email protected], onhillevents.com
July 12, 2026 — Ironman 70.3 Ruidoso, Ruidoso, NM, 70.3 mile course, Ironman , [email protected], ironman.com
July 19, 2026 — Ironman 70.3 Salem, Salem, OR, 70.3 mile course, Ironman , [email protected], ironman.com
July 25, 2026 — Ironman Boise 70.3, Boise, ID, 1.2 mile swim, 56 mile bike, 13.1 mile run., Ironman , [email protected], ironmanboise.com
August 8, 2026 — 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 28-30, 2026 — Lake 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, 2026 — Murray 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, 2026 — 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 20, 2026 — Ironman 70.3 Washington Tri-Cities, Richland, WA, 70.3 mile course, Ironman , [email protected], ironman.com
