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 USAT sanctioned sprint triathlon at Wendell Moore Park with a 400 meter pool swim, a 10 mile bike on open county roads, and a 2 mile park run. Finish medals and an awards ceremony with free pizza are included.
A one-day triathlon in Richland featuring Olympic and sprint distances plus 3-person relay divisions, with a river swim, looped bike and run courses, chip timing, limited field size, and online-only registration.
A women-focused multisport event at Red Bridge Park in Cicero IN on August 29 2026 offering triathlon, duathlon, aquabike and relay divisions with awards, soft style shirts in womens sizing and a five dollar referral refund.
A two-day multisport event in Loveland featuring a 5 mile kayak, 8 mile bike, and 5K run with individual and two-person team options; packet pickup is Friday only and safety equipment rules apply.
Tri-PTC Sprint Triathlon on August 29, 2026 at Drake Field, Lake Peachtree features a 500 yard swim, a 13 mile bike and a 3.1 mile run. The race is USAT sanctioned and awards medals to all finishers.
An off-road triathlon at Sam Houston Jones State Park on August 29, 2026 with 4 miles of trail running, 8 miles of mountain biking and a 1 mile river paddle. Single and relay formats are offered, with life jackets and helmets required.
Swan Lake Grit N Gravel Triathlon at Swan Lake Resort combines a 1,000 yard swim, an 18 mile bike and a 4 mile trail run with manual timing and on site water and medical support. Individual, relay and kids races are offered.
Multisport races at Boulder Reservoir featuring swim, bike and run courses with the Flatirons as a backdrop. Offers Sprint and Olympic triathlon formats plus duathlon, aquabike and relay options.
Experience the excitement of the Bell Swim Run Festival at Atwater Beach. This multi sport event features swimming and running segments across three distinct age categories on the scenic Lake Michigan shoreline.
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.
A late summer multi sport event at Wilson Lake Reservoir on August 29, 2026 offering triathlon, duathlon and 5K and 10K race options with chip timing, live music, marked courses, and volunteer support.
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.
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.
A sprint triathlon at Beaver Lake in Sammamish on August 30, 2026 with a quarter mile swim, about a 13 mile road bike and a 4.3 mile run through lakefront neighborhoods and forest. USAT membership is required and packet pickup includes a pasta feed.
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..