United States
- Alabama 12
- Alaska 13
- Arizona 17
- Arkansas 7
- California 68
- Colorado 18
- Connecticut 16
- Delaware 5
- District of Columbia
- Florida 51
- Georgia 16
- Hawaii 4
- Idaho 17
- Illinois 33
- Indiana 37
- Iowa 23
- Kansas 7
- Kentucky 12
- Louisiana 9
- Maine 11
- Maryland 18
- Massachusetts 28
- Michigan 38
- Minnesota 28
- Mississippi 6
- Missouri 15
- Montana 10
- Nebraska 3
- Nevada 3
- New Hampshire 2
- New Jersey 30
- New Mexico 9
- New York 76
- North Carolina 34
- North Dakota 1
- Ohio 25
- Oklahoma 8
- Oregon 11
- Pennsylvania 33
- Puerto Rico 1
- Rhode Island 3
- South Carolina 18
- South Dakota 3
- Tennessee 26
- Texas 56
- Utah 19
- Vermont 3
- Virginia 37
- Washington 31
- West Virginia 8
- Wisconsin 34
- Wyoming 3
Triathlon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in the United States for 2026-2027! Our updated list features 989 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
The Breakup Duathlon in Fairbanks, Alaska is a sprint distance duathlon held on May 10, 2026 as part of the Arctic Triathlon Series. It is one of the series races that count toward a season recognition for solo finishers.
The Jaguar Aquathlon, 5K and 1-mile event in Sahuarita scheduled for May 10, 2026, was cancelled due to low registration; it had been planned to include pool swim-run races, park runs, T-shirts, medals, and timing services.
A multi day off road triathlon and trail race weekend at Oak Mountain State Park from May 14 to 17, 2026. Full distance includes a 1.5K swim, 33K bike and 10K run, with elite prize money and world championship slots.
The Root River Triathlon in Houston Minnesota combines a 6.8 mile paddle, a 7.9 mile bike ride and a 3 mile run. Individual and team entries are offered and a US Coast Guard approved life jacket is required for paddlers.
Woman of Steel Triathlon is an all-women triathlon and 5K run in American Fork, Utah on May 16, 2026. It features a 300 meter swim, 13 mile bike and 5 kilometer run and offers relay, aquabike and other sprint formats.
An all-women sprint triathlon at the I'On Club in Mount Pleasant featuring a 200 yard pool swim, a 9 mile two-loop bike and a 2 mile flat out and back run, with duathlon, aquathlon, relay and virtual options.
A school triathlon for North Penn elementary students held in Lansdale PA on May 16, 2026 with a rain date of May 17. Grade divisions award trophies to the top three finishers and each participant receives a t-shirt.
A two-day multi-sport festival at Moraine State Park on May 16 and 17, 2026 featuring Olympic, sprint and super sprint triathlon, duathlon, aqua bike, adventure race, relays and youth divisions with multiple pre-race packet pick-up days.
A 15-hour adventure race in the New River Gorge combining guided whitewater, singletrack mountain biking, and rogaine-style trekking with GPS tracking and USARA sanctioning.
The inaugural Fall Creek Falls Spring Sprint Triathlon on May 16, 2026 at Fall Creek Falls State Park features a 500 meter swim, 14 mile bike and 5 km run, with individual, Clydesdale, Athena, relay and aquabike divisions.
A two-day triathlon at Lums Pond State Park offering Youth, Sprint and Olympic distances with individual and relay options. The event is USA Triathlon sanctioned and includes on-site packet pickup, transition protocols, course support and age-group a..
A two-day multisport weekend at French Creek State Park on May 16–17, 2026, with sprint and Olympic triathlons, duathlons, relays, open-water swims, and youth Splash and Dash events. USAT-sanctioned races with age-group awards.
A multi-discipline triathlon in Boulder Junction on May 16, 2026, featuring a 3 km paddle, a 22 km paved bike course, and a 6 km run on roads and a forest trail. Age-group awards, a relay option, and included race amenities are provided.
A multisport event at Geist Waterfront Park in Fishers, IN on May 16, 2026 offering sprint triathlon, duathlon, aquabike and a 2 to 3 person relay; shirts and age group awards are provided.
A community event on May 16, 2026 featuring a duathlon, a 5K color fun run/walk, and a free youth color run, with paved and non-paved courses, safety rules for cycling, and proceeds supporting Jackson In Action.
A multi-distance triathlon at Lake Welch Beach in Harriman State Park on May 16, 2026, featuring exclusive lake swims, a 14 mile bike loop, and marked run courses with frequent aid stations.
A combined 5K and fitness challenge plus certified law enforcement K9 trials at Wayne County Fairgrounds on May 16, 2026. The day includes a 5K with an optional 140-rep workout, a virtual 5K, and multiple K9 competition categories with awards.
A multi-discipline triathlon in Clifton Forge combining a 5k run, a 5 mile paddle and a 10 mile bike route that finishes at the Historic Masonic Amphitheatre. Post race events include live music, catered lunch and awards; solo and team of three entri..
A community 5K in Oxon Hill on May 16, 2026 supporting the Potomac Riverkeeper Network’s work to protect clean water. Proceeds fund pollution prevention, drinking water safety, and river habitat protection.
A timed 5K Run and Walk at Bluebird Park in Ellisville, MO supporting Asher's Playground, with packet pickup the day before and on race morning and awards by age group.