United States
- Alabama 9
- Alaska 4
- Arizona 16
- Arkansas 3
- California 60
- Colorado 15
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 41
- Georgia 9
- Hawaii 4
- Idaho 9
- Illinois 19
- Indiana 13
- Iowa 13
- Kansas 3
- Kentucky 10
- Louisiana 6
- Maine 4
- Maryland 14
- Massachusetts 14
- Michigan 16
- Minnesota 13
- Mississippi 6
- Missouri 6
- Montana 4
- Nebraska 3
- Nevada 4
- New Hampshire 3
- New Jersey 11
- New Mexico 5
- New York 45
- North Carolina 25
- North Dakota
- Ohio 12
- Oklahoma 6
- Oregon 3
- Pennsylvania 16
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 1
- Tennessee 13
- Texas 53
- Utah 10
- Vermont 1
- Virginia 34
- Washington 12
- West Virginia 3
- Wisconsin 19
- 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 607 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
A USAT sanctioned multisport event in Saint Peters on August 23, 2026 offering distances from a 300 meter super sprint to a half distance, plus duathlon, aquabike, aquathlon and a 5K run.
Pool-based sprint triathlon at Rockville Center with sprint, beginner, and youth distances plus duathlon and aquabike options and a seeded start.
A sprint triathlon at Belleville Community Park on August 23, 2026, with individual, relay and series entries. Distances include a 400 m swim, a 16 mile bike and a 5 km run.
Triathlon and aquabike races on the Chesapeake Bay with in water swims, rural hilly bike routes through Elk Neck State Forest, and rolling out and back runs.
Test your limits at a unique triathlon featuring a lazy river swim and a 40 yard dash. Choose between the sprint triathlon or the 5K run and represent your favorite college in this festive multi sport event.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A multisport event in Medford Lakes on August 23, 2026 offering sprint triathlon, duathlon, aquabike, and relay options with a lake swim, two-loop bike course, online registration, and USAT membership requirements.
A multi-format event at Millerton Lake with a USAT-sanctioned Super Sprint triathlon, a 5K road run, team relays, virtual options, and sponsorship levels.
A USAT sanctioned triathlon and duathlon in Aptos on 08/23/2026 featuring a swim by the S.S. Palo Alto, a 13 mile bike and a beach run, with proceeds supporting local parks and lifeguards.
A Central Park duathlon on August 23 featuring two 2.2 mile runs and a 12 mile bike over two loops of the Park Drive, with an individual race and a team relay for two to three athletes.
Race 2 of the Lake Nona Tri Series on August 23 2026 features sprint triathlon, duathlon, aquabike and a relay on a point to point course between Nona Adventure Park and Boxi Park.
Triathlon at DCR Carson Beach in Boston on August 23, 2026 offering Olympic and Sprint formats plus relay, U23, junior and aquabike categories.
Sprint triathlon at Pemaquid Beach Park on August 23, 2026 with a 400 yard swim, 17.4 mile bike, and 3.1 mile run; individual and three person relay options.
Mojo Triathlon at VOA Park on August 23, 2026 offers sprint and Olympic triathlon, duathlon, aqua bike and relay events with para divisions. The swim is in the VOA lake and the bike course includes rolling hills.
About an 11 mile trail run to Cunard Aid Station followed by a 7 mile guided raft in New River Gorge; limited spots and events are sold out.
Swim run at Wellington Reservoir on August 23, 2026 featuring three laps totalling a 1 mile swim and a 5K run, nonchip timing and onsite camping options.
Timed water park triathlon at Wild Island Water Park featuring a slide, a 1 mile run and laps in the lazy river; proceeds benefit Sierra Endurance Sports.
A coastal multi-event triathlon at East Beach featuring ocean swims, a technical bike course with mountain views, and a beachfront finish with music and refreshments. Multiple race formats include relays, aquabike, a 5K beach run, and a one mile ocea..
A reverse-order sprint triathlon at Anthem Community Center with a 3.1 mile run, 20 km bike on designated lanes, and a lane-based pool swim.
A USA Triathlon sanctioned sprint and Olympic triathlon in downtown Clear Lake Iowa on August 29 2026, plus a youth Splash and Dash and lakeside finish.
A duathlon at Watkins Glen International on 08/29/2026 with Formula 1 (run, bike, run, bike, run), Classic (run, bike, run) and a two-person F1 Relay on the race track, using Pit Row for transitions and including Porsche event access.