United States
- Alabama 10
- Alaska 4
- Arizona 15
- Arkansas 2
- California 62
- Colorado 16
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 40
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 11
- Kansas 2
- Kentucky 6
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 19
- Minnesota 9
- Mississippi 5
- Missouri 8
- Montana 4
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 10
- New Mexico 4
- New York 55
- North Carolina 24
- North Dakota
- Ohio 13
- Oklahoma 6
- Oregon 5
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 2
- South Carolina 8
- South Dakota 1
- Tennessee 12
- Texas 49
- Utah 14
- Vermont 2
- Virginia 30
- Washington 10
- West Virginia 2
- Wisconsin 26
- 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 605 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
October 2026
30th annual sprint distance triathlon at Pensacola Beach featuring a 550 m swim, 21 km bike and 5 km run plus aquabike and relay divisions.
A sprint triathlon in Alamosa, Colorado on October 3, 2026 featuring a 400-yard swim, 10-mile bike and 5k run. Individual and 2- or 3-person team entries, age-group awards and finishers' medals.
A draft legal collegiate sprint triathlon for NCAA women at Clinton Lake SRA with a 750 meter swim, 12 mile bike and 3.2 mile run.
Off‑road paddle, run and bike triathlon at Northfield Mountain featuring a mass-start river paddle around Captain Kidd's Island and single track run and bike courses.
An off-road triathlon in Shenandoah River State Park combining a river paddle, a trail run, and single-track mountain biking amid fall foliage.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A 1.5 mile team adventure race in Jasper combining physical activity with nine puzzle stations and timed challenges to earn flags.
Swimrun at over 5,000 feet near Fort Collins combining open water swims in Horsetooth Reservoir and trail running in Lory State Park across three distances.
A multisport event at Marine Creek Public Boat Ramp in Fort Worth on October 4, 2026 offering sprint and Olympic triathlons, a duathlon, relay team options, and a virtual race with mailed t shirt and finisher medal.
IRONMAN 70.3 Waco on October 4, 2026 features a Brazos River swim, a flat bike through rural Texas, a rolling run, and a finish at the Waco Suspension Bridge.
MightyMan Montauk on October 4, 2026 in Montauk, NY offers Olympic, Sprint and Aquabike triathlon options around Fort Pond with a Navy Beach swim backup.
A pool-to-road triathlon at the Mattoon Area Family YMCA with a 275 yard swim, 12 mile bike and 3.1 mile run; individual and team entries and age-group awards.
HoosierMan Triathlon on October 4, 2026 at Lake Lemon near Bloomington, Indiana offers sprint and Olympic triathlons, a sprint duathlon, aquabike options and team relays. The USAT sanctioned, chip timed event features a lake swim, rolling bike course..
A youth triathlon on Pensacola Beach with a Gulf swim and bike and run courses along Highway 399 closed to vehicular traffic. Finisher medals are awarded and top three finishers in each age group receive custom awards.
Experience a unique multi sport event in New York City featuring a run and bike course through Central Park followed by a row boat loop on the Lake.
Sugarman is a multi discipline swim bike and run event at Sugar Mill Pond in Youngsville LA featuring adult and youth races plus awards and post race amenities.
Off road duathlons and mountain bike races at Atwood Park with professional chip timing, on site meal, and proceeds supporting local trail building.
Boilerman is an annual Olympic distance triathlon at White Oaks Campground on Lake Freeman, offering individual, collegiate and relay races with standard Olympic distances.
A hybrid biathlon in Washington DC with a 1 mile kayak and 3 mile run plus a virtual 90 minute challenge, fundraising options and adaptive access.
Youth and family triathlon in Round Rock, TX on October 4, 2026 benefiting Colin's Hope, with swim bike and run waves plus adaptive categories.
Experience an ultra endurance triathlon at Lake Anna State Park featuring multiple distances and a loop based course with 24 hour medical support and an athlete village.