United States
- Alabama 13
- Alaska 13
- Arizona 16
- Arkansas 7
- California 70
- Colorado 18
- Connecticut 16
- Delaware 5
- District of Columbia
- Florida 50
- Georgia 17
- Hawaii 4
- Idaho 17
- Illinois 33
- Indiana 36
- Iowa 23
- Kansas 8
- Kentucky 12
- Louisiana 9
- Maine 11
- Maryland 18
- Massachusetts 28
- Michigan 37
- Minnesota 27
- Mississippi 6
- Missouri 15
- Montana 10
- Nebraska 3
- Nevada 3
- New Hampshire 2
- New Jersey 31
- New Mexico 9
- New York 76
- North Carolina 33
- North Dakota 1
- Ohio 26
- Oklahoma 8
- Oregon 12
- Pennsylvania 35
- Puerto Rico 1
- Rhode Island 3
- South Carolina 19
- South Dakota 3
- Tennessee 27
- Texas 56
- Utah 19
- Vermont 3
- Virginia 38
- Washington 32
- West Virginia 8
- Wisconsin 33
- Wyoming 3
Triathlon Calendar United States 2026-2027
Monthly updates for United States
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Explore the best triathlons in the United States for 2026-2027! Our updated list features 997 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
October 2026
Experience the limestone bluffs and river valleys of northeast Iowa in this multi sport adventure race featuring trekking, biking, and paddling through the scenic Driftless Region.
The Sandling Beach Triathlon Festival caps off the 2026 North Carolina Triathlon Series. Choose from Sprint or International distances at the scenic Sandling Beach State Recreation Area. Options include individual, relay, and AquaBike competitions fo..
This autumn triathlon in Eaton Rapids features a 2k kayak, 15-mile bike, and 5k run. Participants are sprayed with colored powder during the final running leg. Options include a relay team event or a standalone 5k run.
A multisport event at Mitchell Park Guthrie Lake on October 3, 2026 offering Sprint, Super Sprint, Duathlon, Aquabike and a free Youth Under 12 option; swim in a protected cove, looped bike course and mapped routes.
Overview
The Waterman's Triathlon Festival takes place on the Eastern Shore of Maryland in Rock Hall. The event includes three triathlon distances: Long Course (Half), Olympic, and Sprint. Each distance also offers Aquabike (swim and bike only) and r..
Experience a unique multi sport event featuring a swim in Lake Murray and a run entirely across the dam. Choose from triathlon, relay, aquabike, or aquathlon distances in this scenic South Carolina competition.
Event Overview
The Idaho High Mountain Triathlon takes place in eastern Valley County, Idaho, connecting Warm Lake and Yellow Pine. The event is point-to-point, starting at Warm Lake (elevation 5,300 ft) and finishing in Yellow Pine (elevation ~4,900..
A full day of multisport racing at Lake Brandt Marina in Greensboro featuring morning on-road triathlon and duathlon events and an afternoon off-road triathlon. Competing in both races makes athletes eligible for the Double Trouble Award.
A two-day triathlon festival at Hammerman Area, Gunpowder State Park featuring sprint triathlon, aquabike, duathlon, youth races and 2-3 person relays, with USAT sanctioning and chip timing.
Experience a unique point to point challenge through the Cape Cod National Seashore. Choose from three distances for solo racers or teams of two in this premier New England swimrun endurance event.
Experience the 30th annual SRI TRI on beautiful Pensacola Beach. This USAT sanctioned event features a flat and fast course with a gulf swim, a 21 km bike ride, and a 5 km beach neighborhood run.
A sprint triathlon in Alamosa, Colorado on October 3, 2026 featuring a 400-yard swim, 10-mile bike and 5k run. Individual and 2- or 3-person team entries, age-group awards and finishers' medals.
A draft legal sprint triathlon for NCAA collegiate women at Clinton Lake SRA featuring a 750 m swim, 12 mile bike and 3.2 mile run, organized in two waves with segment time limits.
A multi-sport weekend in October combining trail running, fly fishing, and craft beer at Yellow River State Forest near Harpers Ferry, Iowa. It features a mostly flat five mile trail run, catch and release trout fishing, and fundraising for coldwater..
An off-road paddle run bike triathlon at Northfield Mountain featuring mass start paddles on the Connecticut River, trail running and single track mountain biking, with chip timing and staffed transitions.
Experience the only high altitude swimrun in the U.S. series at Horsetooth Reservoir and Lory State Park. Choose from three distances featuring rugged trails and open water swims at over 5000 feet of elevation.
Experience a USAT sanctioned multisport event in Fort Worth with Olympic and Sprint triathlons plus duathlon options. Join individual or relay categories and earn a finisher medal at the Marine Creek Public Boat Ramp.
A race day in Montauk offering Olympic and Sprint triathlon formats plus relay and high school divisions, with event photos provided by Endurance Sports Photography.
A short course triathlon at the Mattoon Area Family YMCA featuring a 275 yard pool swim, a 12 mile bike and a 3.1 mile run. Helmets are required and headphones are not allowed on the bike.