United States
- Alabama 10
- Alaska 3
- Arizona 13
- Arkansas 2
- California 66
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 3
- Hawaii 5
- Idaho 7
- Illinois 16
- Indiana 5
- Iowa 9
- Kansas 7
- Kentucky 5
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 7
- Michigan 15
- Minnesota 7
- Mississippi 5
- Missouri 12
- Montana 6
- Nebraska 5
- Nevada 3
- New Hampshire 1
- New Jersey 14
- New Mexico 4
- New York 48
- North Carolina 19
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 10
- Pennsylvania 20
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 45
- Utah 16
- Vermont 1
- Virginia 27
- Washington 12
- West Virginia 2
- Wisconsin 22
- Wyoming 1
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 566 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2027
A triathlon in Merrill combining a 2-mile paddle, a 17.5-mile bike on the River Bend Trail, and a 5K trail run with multiple divisions and local transitions.
Lake Country Triathlon in Oconomowoc WI on July 31, 2027 offers Sprint, Olympic and Half Iron individual and relay races with a lake swim, scenic bike, and town run.
Multisport event in St Petersburg on July 31, 2027 with sprint triathlon, duathlon, aqua bike and relay options; registration Sept 1 2026 to Jan 31 2027.
Off-road triathlon at Hagg Lake near Gaston Oregon featuring Full, Sprint, and Super Sprint distances with youth qualifiers and World Championship slot allocations.
Multiple races around Lake Coeur d'Alene on July 31, 2027, with a deep water swim start, lake road bike routes and a riverside 10k finish in City Park.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A run paddle run format in Charlotte with two 5K trail runs and a 2K flatwater paddle around Sadler Island using provided kayaks or SUPs.
August 2027
Multi-distance triathlon and duathlon at Olander Lake in Sylvania, Ohio, with sprint and Olympic options, relays, USAT sanctioning, and national age-group rankings.
Annual August triathlon in downtown Naperville at Centennial Beach offering sprint, duathlon, aquabike and kids distances; USAT sanctioned.
Tri AC on August 1, 2027 in Atlantic City features a Back Bay swim, Expressway bike, and Boardwalk run across Sprint and Olympic distances.
Multi discipline event at Smithville Lake offering short and long triathlon and duathlon distances, relay and virtual options, with proceeds donated to support military families.
A USA Triathlon sanctioned sprint at J.E.R. Chilton YMCA featuring a 150 yards pool swim, a 10 mile bike course and a 5K run.
The 40th Annual Brewhouse Triathlon at Minnesota Power Pavilion at Island Lake features a lake swim, newly paved bike roads and a run on asphalt and gravel with aid stations.
A community triathlon in Greenfield, MA featuring Green River swims, back-road bike and run courses, two distances, and proceeds that support the local recreation department.
Multi-discipline event at Westside Aquatic Center with a 400 m pool swim, a 15 mile bike loop and a 3 mile run across several race formats.
Race three in Cassadaga NY featuring a Super Sprint triathlon and an AquaBike option with no cut-off times.
Triathlon in Socorro, NM on August 7, 2027, with a 400 m swim, 20 km bike and 5 km run organized by Socorro Striders and Riders.
A triathlon in Boiling Springs on August 7, 2027 featuring a 600 yard swim, 15 mile bike and 3 mile run with individual and team relay entries.
Sprint triathlon at Fremont Lake Park on August 7, 2027 featuring a 750 m swim, 12.4 mile bike, and 5K run with individual and relay entries.
A summer triathlon series at Rancho Seco Park featuring Olympic-distance triathlon, Aquabike and a Super Sprint with award categories and on-course aid stations.