United States
-
Alabama8
-
Alaska7
-
Arizona12
-
Arkansas2
-
California32
-
Colorado7
-
Connecticut3
-
Delaware3
-
District of Columbia
-
Florida42
-
Georgia12
-
Hawaii1
-
Idaho9
-
Illinois14
-
Indiana15
-
Iowa6
-
Kansas6
-
Kentucky3
-
Louisiana3
-
Maine6
-
Maryland10
-
Massachusetts13
-
Michigan19
-
Minnesota16
-
Mississippi3
-
Missouri8
-
Montana3
-
Nebraska2
-
Nevada
-
New Hampshire1
-
New Jersey19
-
New Mexico3
-
New York40
-
North Carolina25
-
North Dakota
-
Ohio8
-
Oklahoma5
-
Oregon9
-
Pennsylvania16
-
Puerto Rico
-
Rhode Island
-
South Carolina14
-
South Dakota
-
Tennessee18
-
Texas38
-
Utah10
-
Vermont
-
Virginia31
-
Washington11
-
West Virginia4
-
Wisconsin22
-
Wyoming2
Triathlon Calendar United States 2025-2026
Explore the best triathlons in the United States for 2025-2026! Our updated list features 542 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
Join the Mudskipper US Individual SwimRun Championships Indiana II in Borden on September 27, 2026, featuring championship swimrun races and open water swims across multiple distances. Options suit every level from short to ultra.
Cal Tri Fort Worth offers 18 race options from Olympic and Sprint to Youth Sprint, with triathlon, swim, bike and run formats for all ages. Enjoy wetsuit legal waters, free parking and last minute transfers for a flexible race day.
Join the DQ Treasure Island Sprint at Riverfront Park in Point Pleasant on September 27, 2026, offering swim, duathlon, aquabike and kayak triathlon options for all abilities. Scenic river courses, rolling bike loops and post race refreshments make i..
Cal Tri DFW returns Sept 27, 2026 at Ray Roberts Lake State Park with a full slate of Sprint and Olympic triathlon plus swim and run only options. Family friendly youth races are free and wetsuits are permitted for the warm lake swim.
October 2026
Challenge yourself at the Castle Creek Triathlon at scenic Lake Pleasant on October 3, 2026, offering Olympic and sprint triathlon plus duathlon, aquabike and kayak SUP categories. Enjoy chip timing, a finisher hoodie and post race refreshments.
Wild Driftless Adventure Race in Elkader, Iowa offers a rugged adventure through limestone bluffs, trout streams and old growth forest. Choose a 9 hour course with paddling or a 5 hour course without for trekking and mixed terrain biking.
Celebrate the finale of the North Carolina Triathlon Series at Sandling Beach Triathlon Festival on October 3, 2026, with sprint and international distances plus relay and aquabike options. Enjoy a scenic lake swim, rolling bike and trail run.
Kick off autumn on the Grand River with this unique triathlon in Eaton Rapids, MI featuring a kayak start, scenic 15 mile bike and a color blast 5k finish. Options include relay teams, kayak rentals, or a 5k only entry.
Race the TRI It Du Kona Multi sport Series at scenic Guthrie Lake with sprint, super sprint aquabike and duathlon options. Enjoy a protected cove swim, looped bike challenge and a spectator friendly finish.
Waterman's Triathlon Festival in Rock Hall, Maryland features time trial swims on the Chesapeake Bay, scenic rural bike roads and a flat run through town. Multiple distances and relays welcome all levels and the race is USAT sanctioned.
Join Dam Tri at Lake Murray for a scenic lake swim, rolling two loop bike and 6 kilometer run across the dam, with relay, aquabike and aquathlon options. Enjoy open water racing, lakeside views and a fast, family friendly atmosphere.
Join a scenic point to point tri through Idaho high country on October 3, 2026, from Warm Lake to Yellow Pine. Individual, relay and adaptive teams welcome with free local camping and an after party in Yellow Pine.
Dive into Playtri Fort Worth at Marine Creek for sprint and Olympic triathlons, a run bike run duathlon, relays and virtual options for ages 13 and up. Expect race day swag, finisher medals and a lively lakeside course that welcomes all levels.
Join IRONMAN 70.3 Waco on October 4, 2026 in Waco, Texas for a thrilling half Ironman through lively streets and scenic course views. PLAYTRI will provide onsite bike rentals, tune ups and race day support to keep you rolling.
MightyMan Montauk on October 4, 2026 offers Olympic and Sprint triathlon courses set in a scenic fishing and surfing town at the tip of Long Island. Multiple categories include relays, AquaBike and a high school division for teen athletes.
Face an epic endurance challenge at the Virginia ANVIL Ultra Triathlon Oct 8 to 10, 2026 at Lake Anna State Park with Single, 1.5x and Double options. Looped swim, bike and run courses, volunteer support, and scenic lakeside views await.
Dive into race day at Pleasants Landing Marina on Lake Anna with Olympic and Sprint triathlon, aquabike and relay options. Scenic lake swims, rolling bike loops and paved run courses make this a rewarding fall race for all levels.
Push your limits at the Cedar Creek Fall Duathlon in Seaford's Cedar Creek Park, a fast run bike run course perfect for racers and relay teams. Choose individual, relay, youth or virtual entries and enjoy a friendly fall race atmosphere.
Take on the Fall Foliage Adventure Race in Williamsburg on October 10 with 5 hour or 24 hour solo and team options. Navigate by map and compass through paddling, biking and trekking amid vibrant autumn colors.