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 multi-format triathlon at Boulder Reservoir on August 29, 2026 featuring a sunrise swim, fast bike and smooth run with the Flatirons in view. Sprint, Olympic, aquabike, duathlon and relay options are available.
A swim-run aquathon in Milwaukee on August 29, 2026 with three age groups: 8-10, 11-14, and 15 and older. Each race covers 1 mile at 1701 E Capital Dr.
The Unbridled Women Adventure Race is a six hour team event at Laurel River Lake in London, Kentucky. Teams of two or three women and girls combine trekking, beginner level biking, lake paddling and map and compass navigation to collect points.
Multi sport event at Wilson Lake Reservoir on August 29 2026 offering triathlon, duathlon and 5K and 10K run options with chip timing and live music.
An adventure triathlon on August 29, 2026 near Janesville, Iowa, with a 5 mile river paddle, a 3 mile trail run with a creek crossing, and a 7 mile mountain bike. Proceeds support Ingawanis Adventure Base and Ingawanis Woodland.
An indoor triathlon at the YMCA of Pueblo combining a 10-minute swim, 20-minute bike and 10-minute treadmill run, scored by total distance covered; a community fundraiser supporting YMCA youth and family programs.
A solo kayak duathlon in Long Beach that combines a 2 mile run, a 2 mile paddle on the Wolf River, and another 2 mile run, with entry fees that include a T shirt and age group awards.
Sprint road bike and off road triathlons plus road and off road team relays take place at Hill's Resort in Priest Lake on 08/30/2026, with distinct fees and a specified registration window.
A multi-event sprint race day at Fry's Spring Beach Club near Charlottesville offering 12 options for adults and youth, beginning with a beginner-friendly pool swim and including sprints, swim events, and 5K runs.
The 17th Annual Fawn Lake Triathlon on August 30, 2026 in Spotsylvania, Virginia features adult, youth and three person relay races with lake swims, bike sections on traffic free roads, and shaded run courses.
A sprint triathlon at Whipple Beach near Baxter, Minnesota, with a 1/4 mile swim, a 13.6 mile bike and a 3.2 mile flat run. Helmet use is required and proceeds support local youth charities.
The Geist Waterfront Triathlon offers Sprint and Olympic distances in Fishers, Indiana. Athletes swim from a beach at Geist Reservoir, bike on rolling county roads, and run on flat paved paths. The event includes relays, duathlon, and aquabike option..
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.
Beaver Lake Triathlon in Sammamish on August 30, 2026 features a 1/4-mile swim, 13.7-mile bike and 4.3-mile run with relay and youth options.
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.