United States
- Alabama 13
- Alaska 11
- Arizona 19
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 56
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 896 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 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 swim-run event at Settlers Cabin Wave Pool & Park on August 30, 2026, pairing a 10-length pool swim with a 5K trail run. Offers adult and youth individual races, a relay option, electronic timing, and on-course safety support.
Off road triathlon at Lake Padden with an 800 m swim, 9 km mountain bike loop, and 4.1 km trail run. Solo or relay options, USAT sanctioned and capped at 200 athletes.
September 2026
A three-day triathlon festival on September 4–6 featuring youth races, Super Sprint, Sprint, Olympic, aquabike, relays and paratriathlon divisions, with new Mini Trifesta and Trifesta relay options for 2026.
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 triathlon at Angostura Recreation Area near Hot Springs with a sandy beach swim, rolling bike course through ranch land, and a lakeshore run. Finishers receive medals and grilled cheese is served at the finish.
Hopkins Royal Triathlon in Minnetonka on September 5, 2026 offers a Sprint and a Mini Sprint with selectable distances and a VIP charity slot that supports volunteer youth groups.
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 sprint-distance triathlon at Lake Siskiyou near Mount Shasta featuring a 740 yard swim, a 16 mile bike and a 3.2 mile run. A portion of registration proceeds supports the Dunsmuir Rotary Club and Wildcat Weekender.
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..
A Labor Day weekend sprint triathlon at Rattlesnake Lake near North Bend. The course features a 1/4 mile swim, a 10 mile mixed road and trail bike on the Palouse to Cascade trail, and a 4 mile run through Rattlesnake and Cascades Park.
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 on September 6, 2026, with triathlon, dash, duathlon, aquabike, and relay options. Proceeds support the Rotary Club of Katy scholarship fund for local students.