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!
August 2026
A USA Triathlon sanctioned sprint at Preston Miller Park on August 30, 2026, with a 400 meter swim, 14 mile bike and 3 mile run. A kids triathlon follows with a 50 meter swim, 3 mile bike and 1 mile run.
A multi discipline event at Beaver Lake in Sammamish with a 1/4 mile swim, a 13.7 mile bike and a 4.3 mile run. Relay, aquathlon and duathlon entries are available and USAT membership is required.
A community fundraising race at Schram Pond in Manchester, IA, offering sprint triathlon and duathlon formats with individual and 2 to 3 person team options. Proceeds support Delaware County emergency services and entry includes a t-shirt, medal, and..
A multi-distance triathlon at Allan Yorke Park on August 30, 2026, with swim, bike, and run courses around Lake Tapps and Pierce County. The event serves as the RTB Summer Series finale and is part of the Trifecta Trident challenge.
A sprint triathlon on August 30, 2026 at Azionaqua Swim Club in Zionsville featuring a 200 meter swim, 12.5 mile bike and 3 mile run. Registration runs April 1 to May 10 with a $69.99 fee.
A multi format event at Carrol D Hudson Recreation Area on August 30, 2026, featuring an Olympic distance triathlon plus relay, aquabike, cyclo run and swim run options. Access to Redstone Arsenal requires visitor registration or DoD identification.
A multi sport event at Settlers Cabin Wave Pool and Park featuring a 500 yard swim followed by a 5K run, plus a separate 5K trail race. Electronic timing, lifeguards, and medical staff are provided.
A USAT sanctioned off-road triathlon at Lake Padden featuring an 800 m swim, a 9 km mountain bike loop, and a 4.1 km trail run. The event accepts solo racers and 2- or 3-person relays and includes a USAT one-day license.
A women's triathlon and 5K in Nevada City on August 30, 2026, featuring individual and relay triathlon options plus a 3.1 mile run/walk. Registration fees support cancer treatment, women's health programs, and healthcare scholarships.
Try the Tri in Terrace Park is a neighborhood swim, bike and run event on August 30, 2026, with individual and three relay categories and age based fees and rules.
September 2026
TriFest for MS runs September 4 through September 6, 2026 as the 15th annual multi-day endurance event featuring youth races, relay teams, sprint, super sprint, Olympic F1, aquabike, and para divisions while supporting MS research.
A hilly triathlon in Cassadaga, NY offering long and intermediate courses, AquaBike options, and relay teams, with well stocked aid stations, no cut off times, and post-race food, beer garden, and music.
A pool-based triathlon at Loudon Pool by Loudon High School offering Sprint distances and a Super Sprint Triple of three repeated short rounds. The event is USAT sanctioned and requires a one-day or annual USAT license.
Tri Pike in Pikeville combines a pool swim, a hilly bike with a brief brick-street section, and a trail run on the Blue Chip Trail. USA Triathlon one-day license required and helmets are mandatory on the bike course.
A multi-category triathlon at Angostura Recreation Area featuring a sandy beach swim, rolling bike course, lakeside run, finisher medals, and awards.
A triathlon at Shady Oak Beach in Minnetonka offering a standard sprint and a mini sprint with selectable segment lengths, plus a VIP charity slot that provides prime parking and transition placement.
The Lake Quivira Triathlon on September 5, 2026 combines a 500 meter swim, about 9 miles of bike in two loops, and a 5 km run around the lake. The event is limited to 120 participants and includes a pancake breakfast and race shirt.
A triathlon and duathlon at Lake Siskiyou Camp Resort on September 6, 2026 offering standard sprint distances, individual and relay entries, collegiate waves, and support for the Dunsmuir Rotary backpack food program.
Game On! ManateeMan Triathlon on September 6, 2026 in Cape Coral features sprint and international triathlon, duathlon, aquabike and relay formats. The Westin Cape Coral Resort at Marina Village will host the races with pools, a spa, restaurants, and..
Sprint triathlon at Rattlesnake Lake featuring a quarter mile swim, a mixed surface 10 mile bike, and a 4 mile run near North Bend.