United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 60
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 44
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 22
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 6
- Maryland 15
- Massachusetts 17
- Michigan 22
- Minnesota 21
- Mississippi 6
- Missouri 6
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 16
- New Mexico 4
- New York 49
- North Carolina 30
- North Dakota
- Ohio 20
- Oklahoma 5
- Oregon 7
- Pennsylvania 21
- Puerto Rico 2
- Rhode Island 2
- South Carolina 11
- South Dakota 2
- Tennessee 15
- Texas 49
- Utah 12
- Vermont 2
- Virginia 33
- Washington 18
- West Virginia 2
- Wisconsin 20
- Wyoming 3
Triathlon Calendar United States 2026-2027
Monthly updates for United States
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Explore the best triathlons in the United States for 2026-2027! Our updated list features 702 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2027
IRONMAN 70.3 Rockford Illinois is a triathlon in Rockford featuring a swim in the Rock River, a rolling bike through rural Illinois and a flat run on local trails. It is one of the later qualifying races for the 2026 IRONMAN 70.3 World Championship.
A triathlon at Deyo Reservoir near Weippe, Idaho on June 13, 2027 with a 300 yard swim, about 13 miles of mountain biking and a 2.2 mile run around the reservoir. Single transition area, limited parking and camping available.
A middle-distance triathlon in Cambridge, Maryland featuring a protected 1.2-mile swim, 56-mile flat bike through Blackwater Refuge, and a 13.1-mile run to Gerry Boyle Park.
A sprint triathlon in Conneaut Lake, PA featuring a 650 yard swim, 13.8 mile bike and 5K run with individual and relay options, timing, awards, and race shirt and swim cap included.
A multi-event triathlon and aquabike festival on Lake George in Ticonderoga, NY, offering sprint, Olympic, double and relay options, with a 750 m swim, bike and run courses, no cut-off times, and USAT sanctioning.
A set of triathlon, duathlon, team relay, and 5K races at Waterfront Park in Medical Lake, WA, featuring an out-and-back open water swim and paved road and trail bike and run courses.
Eighteen multisport event options at Castaic Lake including sprint, Olympic and youth triathlon formats alongside standalone swim and run races.
Annual community race on the High Trestle Trail with 5K, 10K, duathlon and virtual options; 208 athletes participated in 2026 to support the Boone County Hospital Foundation.
Multisport event at Craigville Beach offering sprint and Olympic triathlons plus duathlon aquabike and aquathlon with lifeguarded swims and looped bike courses.
On June 19, 2027 the 48th Fair City Triathlon in Louisville Mississippi takes place during the Neshoba County Fair. The course has a 0.5 mile swim in Lake Tiak O'Khata, a 27 mile bike to Philadelphia, and a 6.5 mile run.
Multi-sport event at Nona France Quarry with sprint triathlon, duathlon and a super sprint relay where three-person teams each complete all swim, bike and run legs. The race is USAT sanctioned.
Annual sprint triathlon at Winona Lake Park featuring adult, youth, duathlon and relay divisions with chip timing and USAT sanctioned races.
A multi-discipline adventure in Old Forge, NY combining biking, hiking, trail running and kayaking over 26.7 miles, starting and finishing at the George T. Hiltebrant Center. Solo and two-person team options are available; helmets and life jackets re..
A timed, unchipped triathlon in Nikiski, AK on June 26, 2027 with adult individual and relay races and a separate kids triathlon featuring shorter distances.
Tri Goddess Triathlon hosts sprint and super sprint swim bike run formats at Portage Lake, with a relay option, a timed open water practice swim, and post-race food in Waterloo State Recreation Area.
Triathlon at Echo Lake and Cannon Mountain featuring sprint, Olympic and half distances, mandatory wetsuits, time trial swim starts, and a beachside finish.
Reverse sprint triathlon in Mount Pleasant, Utah with a 5 km run, an out and back bike on open roads, and a 300 yard pool swim.
A super sprint triathlon at Bottomless Lakes State Park on June 26, 2027 with a 1/4 mile swim, 8 mile bike and 4 km run; individual, coed relay and under 18 divisions, with proceeds supporting Harvest Ministries of Roswell.
Multievent triathlon at Heaton Lake in Elkhart with a 400-yard swim, 12-mile bike loop, 3.1-mile run, and supervised kids races.
A chip-timed triathlon at Lake Padden Park on June 26, 2027, offering competitive and recreational swim-bike-run distances with course maps and a 325-person field limit.