United States
- Alabama 10
- Alaska 3
- Arizona 13
- Arkansas 2
- California 66
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 3
- Hawaii 5
- Idaho 7
- Illinois 16
- Indiana 5
- Iowa 9
- Kansas 7
- Kentucky 5
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 7
- Michigan 15
- Minnesota 7
- Mississippi 5
- Missouri 12
- Montana 6
- Nebraska 5
- Nevada 3
- New Hampshire 1
- New Jersey 14
- New Mexico 4
- New York 48
- North Carolina 19
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 10
- Pennsylvania 20
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 45
- Utah 16
- Vermont 1
- Virginia 27
- Washington 12
- West Virginia 2
- Wisconsin 22
- Wyoming 1
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 566 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
Latitude-Fall Triathlon at Fort Travis Park offers sprint and Olympic triathlon, duathlon, aquabike, and relays with Gulf swims, bike laps on Highway 87, and neighborhood run courses, limited to 200 athletes and featuring an after party and spectator..
Multi-format triathlon and 5K in Mission Bay, San Diego, featuring youth races, relays, and the 2026 USAT State Championship.
Sprint triathlon at Lake Walk in Bryan/College Station on October 11, 2026, with individual and relay divisions benefiting the First Win nonprofit.
Mudskipper US SoCal Silverwood takes place in Hesperia California on October 11 2026 and features open water swim and swimrun races presented by Canaqua Sports. It is the first Mudskipper event on the US west coast.
14th Annual Wurst Tri Ever sprint triathlon at Landa Park Aquatic Center in New Braunfels on October 11, 2026, with relay and duathlon options.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Annual triathlon in Davis hosted by UC Davis Triathlon Club with sprint, relay, and mixed team relay options at Schaal Aquatics Center.
23rd annual Serpent's Back Mountain Bike Duathlon in Montauk on October 11, 2026, offering individual, bike-only and two-person team formats with run and bike legs.
Sprint triathlon at Lone Star Lake in Lawrence, KS with a 750 m swim, 12.4 mile bike and 5 km run plus relay and swim-run options; hand timed, not USAT sanctioned.
Trail festival at Piedras Pintadas Trailhead in San Diego offering races from a 1 mile kids run to a 50K, plus a Run Bike Run trail duathlon.
A two day multisport festival in Clermont, Florida featuring a Triple Triathlon of three consecutive Sprint triathlons. The weekend also includes sprint events, relays, a 15K and 5K on the South Lake Trail, and a virtual option.
A half-distance triathlon in Wilmington, NC on October 17, 2026, with a swim near the coast, a flat bike through rolling countryside, and a waterfront run finishing by Battleship North Carolina.
A multi-format event at Seaside Resort in Galveston offering a 200 m pool swim, 8 mi bike and 2 mi beach run plus duathlon and aquabike options.
Sprint multisport events at Matapeake Beach in Stevensville, MD on October 17, 2026, including triathlon, duathlon, aquabike and relay formats with a 0.5 mile swim, a 12 mile bike out and back on Route 8, and a 3.1 mile run.
Team multisport relay at Montauk Brewing Company on October 17, 2026 featuring running, rowing, and cycling legs; proceeds support local athletes and scholarships.
Community walk/run and Teal Pumpkin Festival in Peoria Heights supporting food allergy awareness with a timed 5K, untimed mile, virtual challenges, and family activities.
Women's Collegiate Triathlon East Regional Championship at Lanier Islands in Buford GA on October 17, 2026 features draft-legal racing with a 750 meter swim, 20 km bike and 5 km run.
Two-day off road multi sport festival near Navasota TX featuring triathlon, duathlon, adventure race, aquabike, relays and kids tri distances.
A backcountry multi sport event in Saranac Lake combining biking, a mountain run, and a paddle over about 32 miles where participants must be self sufficient.
A fast, flat IRONMAN in Sacramento with a downriver 2.4-mile swim, a 112-mile bike through farmland and wine country, and a 26.2-mile run finishing at the State Capitol.
Trail duathlon at Lake Hodges in San Diego featuring Run | Bike | Run over about 23 miles, open to individual and team entries with a cupless aid station policy.