United States
- Alabama 14
- Alaska 12
- Arizona 17
- Arkansas 7
- California 67
- Colorado 19
- Connecticut 17
- Delaware 4
- District of Columbia
- Florida 46
- Georgia 16
- Hawaii 4
- Idaho 17
- Illinois 31
- Indiana 36
- Iowa 22
- Kansas 7
- Kentucky 12
- Louisiana 9
- Maine 10
- Maryland 18
- Massachusetts 28
- Michigan 38
- Minnesota 27
- Mississippi 5
- Missouri 12
- Montana 10
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 29
- New Mexico 9
- New York 75
- North Carolina 32
- North Dakota 1
- Ohio 22
- Oklahoma 7
- Oregon 10
- Pennsylvania 33
- Puerto Rico 1
- Rhode Island 3
- South Carolina 17
- South Dakota 3
- Tennessee 24
- Texas 54
- Utah 18
- Vermont 3
- Virginia 34
- Washington 29
- West Virginia 8
- Wisconsin 33
- Wyoming 4
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 957 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
Cedar River Triathlon at Lake Wilderness in Maple Valley features swim, bike and run routes with views of Mount Rainier and the Cedar River Trestles. Multiple race formats include relays and a youth Splash n Dash.
Mighty Mother's Day Duathlon on May 10, 2026 at Heckscher State Park features a two run duathlon with a three lap 10.5 mile bike course, a 10.5 mile time trial, and a youth duathlon. Bike laps use closed park roads and runs mix trail and road.
A multi-format race day at Round Valley, Lebanon NJ on May 10, 2026 featuring short and long course triathlons, duathlon, aquaBike and relays, with overall and age group awards and specific Elite award rules.
Coffman YMCA Sprint Triathlon in Springboro, OH features a 300 yard pool swim, a two loop 10.5 mile bike and an out and back 3.1 mile run, with chip timing, finishers' medals and age group awards.
A women's multisport event in Houston on May 10, 2026, offering duathlon, sprint and super sprint triathlons, a sprint relay, an AWD/PC category, and a virtual option with mailed swag and medal.
Two triathlon distances at Granite Beach, Folsom Lake featuring a lake swim, road bike on park roads closed to traffic and a trail run. Entries include a swim cap, socks, post-race refreshments and a custom finisher hat.
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 paddle triathlon in Boulder Junction, Wisconsin on May 16, 2026 featuring a 3 km paddle, 22 km bike, and 6 km run through lake, roads, and forest trails. Registration includes a medal, t-shirt, welcome dinner, and an awards after party.
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.