United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 51
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
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 654 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 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 2026 in Bentonville, Arkansas spans Labor Day weekend with multi-format triathlon races, youth events, relays, and fundraising for multiple sclerosis 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 multi-distance triathlon at Lake George, NY featuring USAT New York North State Championship races, lakeside courses, and an optional steamboat VIP dinner.
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.
A triathlon in Bear Valley, CA on Sep 6, 2026 with a 600 yd swim, 10.5 mile bike and 3.4 mile run. The bike uses three loops and the run one loop; wetsuits are allowed and water is provided on the run.
Experience a premier multisport event in Lafayette featuring triathlon, duathlon, and aquathlon races. Compete in an open water swim at Airport Lake and a scenic bike and run through the Lafayette Regional Airport grounds.
Experience a premier multi sport event at Belle Isle State Park in Detroit. Choose from triathlon duathlon and aquabike categories while enjoying views of the Detroit River and the city skyline.
A multisport event at the Katy Boardwalk offering triathlon, dash, duathlon, aquabike and relay formats on September 6, 2026; proceeds support the Rotary Club of Katy scholarship fund and packet pickup is required before race day.
A sprint triathlon in Georgetown, KY featuring a 400 yard pool swim, a 5.4 mile bike out and back, and a 1.5 mile run.
Columbia River Half Iron at Vantage Boat Ramp features a 1.2 mile swim, 56 mile bike and 13.1 mile run on September 6, 2026.
Triathlon and 5k event at Chris Lyle Aquatic Center with a Super Sprint, a kids Micro Mini for under 8s, and a standalone 5k. Amenities include race bibs, finisher medals, photos, and posted official results.