2025 Utah and Western States (ID, WY, MT, NV, CO, AZ, CA, NM) Triathlon, Duathlon, and Multisport Event Calendar
July 11, 2025 — Moonlight Triathlon, Price, UT, The light from the moon will guide you. First, your kids will start at 8:00 pm. They will swim from the deep end to the shallow end, then run one lap around Washington Park, and do two laps on their bikes. The normal triathlon will start at 10:00 pm. You will run a 3-mile running course�, then hop on your glowstick-covered bike (helmets and bike lights are required), and ride a 12-mile�bike course.�Lastly, you will run into the wave pool and swim 300 yards. When you finish, there will be refreshments, and you will get your medal., Joel Seeley, joelseeley2010@gmail.com, facebook.com/people/Moonlight-Triathlon/61556731479450/
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?, race@triutah.com, triutah.com
July 12, 2025 — Logan Tri, Logan, UT, Sprint and Olympic, Joe Coles, 801-335-4940, joe@onhillevents.com, onhillevents.com
July 12, 2025 — Rigby Lake Rumble Triathlon, TRI Peaks Events, Rigby, ID, Held at Jefferson County Lake in Rigby. Sprint, Olympic, and triathlon This race is the second in a 3 race series happening in Eastern Idaho, Mike Taylor, 208-201-6269, TriPeaksEpicEvents@gmail.com, Brian Magleby, 208-520-9400, TriPeaksEpicEvents@gmail.com, tripeaksevents.com
July 13, 2025 — Boulder Peak Triathlon, Boulder, CO, Sprint and Olympic distances, at Boulder Reservoir, Triathlon, Duathlon, Aquabike, Lance Panigutti, 303-408-1195, lance@withoutlimits.com, withoutlimits.co
July 19, 2025 — Tri Boulder, Boulder, CO, Long Course, Olympic, Sprint, Duathlon, Aquabike, & Relays. One of the most popular summer triathlons in Colorado, Travis Campbell, info@bbscendurance.com, bbscendurance.com
July 20, 2025 — Ironman 70.3 Salem, Salem, OR, 70.3 mile course, Ironman , boulder70.3@ironman.com, ironman.com
July 26, 2025 — Ironman Boise 70.3, Boise, ID, 1.2 mile swim, 56 mile bike, 13.1 mile run., Ironman , boulder70.3@ironman.com, ironmanboise.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, info@spudman.org, spudman.org
July 26-27, 2025 — Donner Lake Triathlon, Truckee, CA, Half Triathlon 70.3, Olympic Triathlon, Sprint Triathlon, Kids Triathlon, Aquabike, Aquathlon Duathlon, Todd Jackson, 530-546-1019, todd@bigblueadventure.com, Kiley McInroy, kiley@bigblueadventure.com, bigblueadventure.com, donnerlaketri.com
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, lance@withoutlimits.com, withoutlimits.co
August 2, 2025 — TriathaMom, Riverton, UT, Women only triathlon at the Riverton Country Pool. 300 yard swim, 12 mile bike ride, and 5k run. Carnival style cheering section provided for families of participants., Perry Hacker, 801-613-2116, contact@ustrisports.com, gotriathamom.com
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?, race@triutah.com, triutah.com
August 9, 2025 — Rocky Mountain Tri Fest, Boulder, CO, Gravel Sprint & Super Sprint, Kids Tri, Aquabike, & Relays. A day for whole family to swim, bike, and run, Travis Campbell, info@bbscendurance.com, bbscendurance.com
August 10-October 1, 2025 — COEUR Outdoor Divas Triathlon, Longmont, CO, Union Reservoir, Sprint, women only triathlon, Lance Panigutti, 303-408-1195, lance@withoutlimits.com, withoutlimits.co
August 16, 2025 — Stansbury Days Triathlon, Stansbury Park, UT, Sprint triathlon, unofficial distances: Swim 500m, Bike 20k, Run 5k. Start 7 AM. Swim is open water in Stansbury Lake, starts at Stansbury Park Club House, Lisa & Dan Bergantz, stansburytri@gmail.com, stansburypark.gov/stansbury-day-triathlon
August 16, 2025 — Tahoe Adventure Challenge, Truckee, CA, A multi-sport event in which teams and individuals participate and compete in kayaking or stand up paddling, mountain biking, trail running, and navigation. Designed such that participating teams will complete in an 8 hour maximum time format. Teams travel on land and lake to gather as many checkpoints as possible and finish within the 8 hour time limit., Todd Jackson, 530-546-1019, todd@bigblueadventure.com, Kiley McInroy, kiley@bigblueadventure.com, bigblueadventure.com, greattrailrace.com
August 16, 2025 — Great Snake River Triathlon, TRI Peaks Events, Idaho Falls, ID, Held at Snake River Landing in downtown Idaho Falls. This triathlon will include BOTH Sprint & Olympic distances. This race will be the final race in Eastern Idaho�the third in the TRIFECTA SERIES produced by Tri Peaks Epic Events., Mike Taylor, 208-201-6269, TriPeaksEpicEvents@gmail.com, Brian Magleby, 208-520-9400, TriPeaksEpicEvents@gmail.com, tripeaksevents.com
August 23, 2025 — Boulder Sunset Triathlon, Boulder, CO, Olympic, Sprint, Duathlon, Aquabike, Relays, 10K & 5K. A celebration of summer and a beginner’s favorite all at recently upgraded venue, Travis Campbell, info@bbscendurance.com, bbscendurance.com
August 23-24, 2025 — 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, todd@bigblueadventure.com, Kiley McInroy, kiley@bigblueadventure.com, bigblueadventure.com
September 1, 2025 — 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, jo@agegroupsports.com, mcreg.com, murray.utah.gov
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, John Miller, 801-298-6220, john@southdavisrecreation.com, Cindy Hunt, 801-298-6220, cindy@southdavisrecreation.com, southdavisrecreation.com, southdavisraces.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?, race@triutah.com, 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, lance@withoutlimits.com, withoutlimits.co
September 7, 2025 — Ironman 70.3 Santa Cruz, Santa Cruz, CA, 70.3 mile course, Ironman , boulder70.3@ironman.com, 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, Jared.Chatterley@trinidad.co.gov, 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, todd@bigblueadventure.com, Kiley McInroy, kiley@bigblueadventure.com, 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, info@grandjunctionsports.org, 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, joe@onhillevents.com, 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, info@valkyrierelay.com, 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, info@bbscendurance.com, 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, jess@sevencanyonstrust.org, 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�DO THE TRIFECTA in 2023!, Mike Taylor, 208-201-6269, TriPeaksEpicEvents@gmail.com, Brian Magleby, 208-520-9400, TriPeaksEpicEvents@gmail.com, 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 , info@sevencanyonstrust.org, sevencanyonstrust.org/events/range-river-relay
September 21, 2025 — Oktoberfest Triathlon, Longmont, CO, Union Reservoir, Sprint, Lance Panigutti, 303-408-1195, lance@withoutlimits.com, withoutlimits.co
September 21, 2025 — Ironman 70.3 Washington Tri-Cities, Richland, WA, 70.3 mile course, Ironman , boulder70.3@ironman.com, ironman.com
September 27, 2025 — Kokopelli Triathlon, Hurricane, UT, Olympic, Sprint, Duathlon, Aquabike, Relays, 10K & 5K. A family-friendly event at Sand Hollow Reservoir with something for everyone, Travis Campbell, info@bbscendurance.com, 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, info@bbscendurance.com, 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 , nvsg-tri-run@slowpokedivas.com, 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, hello@seniorgames.net, seniorgames.net
October 11, 2025 — Ironman World Championship, Kailua-Kona, HI, 140.6 miles, Ironman , boulder70.3@ironman.com, ironman.com
October 19, 2025 — Ironman California, Sacramento, CA, 2.4-mile swim, 112-mile bike course, 26.2 mile run, Ironman , boulder70.3@ironman.com, 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, joe@onhillevents.com, 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, info@bbscendurance.com, bbscendurance.com
November 16, 2025 — Ironman Arizona, Paradox, AZ, 2.4-mile swim, 112-mile bike course, 26.2 mile run, Ironman , boulder70.3@ironman.com, ironman.com
December 7, 2025 — Ironman 70.3 Indian Wells La Quinta, Indian Wells, CA, 70.3 mile course, Ironman , boulder70.3@ironman.com, ironman.com