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 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 festival in Texas City featuring youth and sprint triathlons, a duathlon, relays, a paratriathlon qualifier, and a 5k. Registration includes an all day LagoonFest Texas pass and discounted spectator passes.
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.
Sprint triathlon at Drake Field, Lake Peachtree: 500-yard swim, 13-mile bike, 3.1-mile run; USAT sanctioned and championship timed with medals for all finishers.
A multi-discipline off-road race at Sam Houston Jones State Park featuring trail run, mountain bike, and river paddle legs, plus a shorter duathlon option that includes two runs and a paddle.
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.
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..