United States
- Alabama 9
- Alaska 3
- Arizona 13
- Arkansas 1
- California 63
- Colorado 12
- Connecticut 3
- Delaware 2
- District of Columbia
- Florida 44
- Georgia 2
- Hawaii 5
- Idaho 7
- Illinois 14
- Indiana 5
- Iowa 6
- Kansas 7
- Kentucky 5
- Louisiana 5
- Maine 3
- Maryland 13
- Massachusetts 7
- Michigan 13
- Minnesota 7
- Mississippi 5
- Missouri 12
- Montana 6
- Nebraska 4
- Nevada 3
- New Hampshire 1
- New Jersey 10
- New Mexico 4
- New York 46
- 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 44
- Utah 15
- Vermont 1
- Virginia 27
- Washington 10
- West Virginia 2
- Wisconsin 21
- 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 539 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
Multi-day ultra triathlon weekend at Lake Anna State Park with full and half distance options, short loop course, crew access every loop, and 24-hour medical support.
Multisport event at Lake Anna on October 10, 2026 featuring Olympic and Sprint triathlons, aquabike races, and 2 to 3 person relays with a warmer open water swim.
Duathlon at Cedar Creek Park, Seaford on Oct 10, 2026: 1.1 mi run, 11 mi bike (4 loops), 1.1 mi run with individual, relay, family, high school, and virtual options.
Multi-discipline adventure race in Jamestown VA with 15 hour and 5 hour options featuring paddling, biking and trekking through historic parks.
Multisport races at TVA Melton Hill Dam featuring sprint, Olympic and half iron triathlons, a sprint duathlon, aqua bike options and relays with looped swim, bike and run courses.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A run-bike-run duathlon at Redstone Arsenal where finish times are compared to the International Space Station's 91 minute 12 second orbit; individual and relay entries have specified registration windows and base access requirements.
A USA Triathlon sanctioned sprint event in Oloh, Mississippi on October 10, 2026 offering swim, a 21.3 mile bike and a 3 mile run with divisions for beginners, duathlon and relays; helmets and photo ID are required.
An Olympic-distance multisport event in New Roads, LA featuring a 1.5K swim, 40K bike and 10K run with aquabike, duathlon and relay divisions, limited to 300 entries and finishing with awards and a finish fest.
A 24.1-mile adventure race on the Conemaugh River and West Penn Trail in Saltsburg, PA on October 10, 2026, with solo and relay categories, age and equipment rules, and paddle details subject to river conditions.
A full 140.6 mile IRONMAN triathlon in Kailua-Kona on October 10, 2026 for qualified professional and age group athletes.
Multidistance triathlon at Lake Mead featuring sprint, Olympic, long course, aquabike, duathlon and team relays with marked swim, hilly bike routes, and a trail run.
A Manhattan triathlon on October 10, 2026, with a Hudson River swim and a finish in Central Park. Formats include sprint, Olympic, aquabike options and relays; the event is USAT sanctioned and welcomes para-athletes.
A multi-event triathlon day at Lake Norman State Park near Statesville NC on October 10, 2026, offering 12 race options from sprint swims to Olympic distance events.
Community triathlon in Thibodaux on October 10, 2026 with a 200 yard swim, 10 mile bike, and 3 mile run; proceeds support THE HAVEN.
A multi-category duathlon at Noccalula Falls with individual and relay formats, a kids race, awards, and proceeds benefiting Friends of the Falls.
Mini triathlon and 5K in Annawan IL on October 10, 2026 featuring run bike and paddle legs plus a two person relay option.
Monster Triathlon in Keller TX becomes a Run Bike Run event with Super Sprint and Sprint courses; participants receive a long sleeve shirt, Monster Socks, and a 30% discount code.
An all-women sprint triathlon at UNC Wellness Center Meadowmont featuring a 250-yard pool swim, a road bike loop through Meadowmont, and an out-and-back run. Relay, aquathlon, duathlon and virtual options are available.
A multi discipline event at Lake Tobesofkee in Macon GA offering Olympic and sprint triathlons, aquabike, duathlon and relays. The Olympic swim uses a time trial start and the 42K bike follows a hilly out and back route.