United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 58
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 21
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 47
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 32
- Washington 18
- West Virginia 2
- Wisconsin 19
- Wyoming 3
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 680 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
Olympic and Sprint triathlons plus aquabike and relay options at Pleasants Landing Marina on Lake Anna, with spectator-friendly swim courses, rolling bike routes and out-and-back runs near the South Anna River.
A fall run, bike, run duathlon at Cedar Creek Park in Seaford, NY, featuring 1.1 mile runs and 11 miles of closed-road cycling. Individual, relay, family and virtual options are available with specific family relay rules.
A map‑based multisport event in Jamestown on October 10, 2026 featuring 5 hour and 15 hour paddling, biking and trekking formats for solo and team entries.
A multisport event at TVA Melton Hill Dam on 10/10/2026 with Half Iron, Olympic and Sprint triathlons, a duathlon and relay options. Swim, bike and run courses circle the dam with on-site parking and campground nearby.
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 single-day, qualification-only IRONMAN in Kailua-Kona featuring a 2.4 mile swim, 112 mile bike and 26.2 mile run across Kailua Bay, Queen Kaʻahumanu Highway and Alii Drive.
A multi-format triathlon event at Boulder Beach, Lake Mead, featuring a buoy-marked swim, hilly desert bike course and a run on the River Mountain Loop trail, with sprint, Olympic, long course and relay options.
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-discipline triathlon event at Lake Norman Picnic Ground on October 10, 2026, offering 12 sprint and Olympic race options including swims, bikes, and runs.
Monster Triathlon in Keller, Texas offers a 300 meter pool swim, looped bike courses of 10 or 14.5 miles, and a 5K trail run, with age group, Athena, and Clydesdale divisions and festive finish areas.
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.
Game On Saint Augustine Triathlon in Vilano Beach features Olympic and Sprint triathlon, duathlon, aquabike and relay formats. Courses include an Atlantic Ocean swim, a bike route along A1A and a run via the Vilano Beach Nature Boardwalk.
Latitude-Fall Triathlon at Fort Travis Park offers sprint and Olympic triathlon, duathlon, aquabike, and relays with Gulf swims, bike laps on Highway 87, and neighborhood run courses, limited to 200 athletes and featuring an after party and spectator..
An annual multisport event at Mission Bay and Fiesta Island, the 2026 XTERRA Wetsuits Mission Bay Triathlon hosts USA Triathlon State Championships and offers triathlon, duathlon, aquabike, aquathlon, youth races, and a 5K, produced for Life Sports F..
A sprint triathlon at Lake Walk in Bryan/College Station on October 11, 2026. Individual and relay divisions, chip timing and finisher medals, with proceeds supporting First Win, a nonprofit serving children in the Brazos Valley.
Mudskipper US SoCal Silverwood takes place in Hesperia California on October 11 2026 and features open water swim and swimrun races presented by Canaqua Sports. It is the first Mudskipper event on the US west coast.