United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 59
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 40
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 19
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 7
- Michigan 18
- Minnesota 10
- Mississippi 3
- Missouri 12
- Montana 7
- Nebraska 7
- Nevada 2
- New Hampshire 2
- New Jersey 14
- New Mexico 3
- New York 50
- North Carolina 22
- North Dakota
- Ohio 14
- Oklahoma 3
- Oregon 9
- Pennsylvania 21
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 42
- Utah 18
- Vermont 1
- Virginia 30
- Washington 14
- West Virginia 2
- Wisconsin 25
- 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 582 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2027
Multisport and 5K races at Clermont Waterfront Park as part of the 2027 Sommer Quest series, culminating in The Lost Temple of Medusa.
Non-timed sprint triathlon in Kewaskum with a 5K run/walk, 2 mile kayak and 12 mile bike; open to individuals or relay teams age 12 and up.
A seaside IRONMAN 70.3 in Santa Cruz featuring a Pacific Ocean swim, a rolling bike along Highway 1, and a flat half marathon that finishes on the beach.
A full IRONMAN triathlon in Madison with a lake swim, rolling to hilly bike, a run through Camp Randall, and a finish at the State Capitol.
Two triathlon distances at Walsh Lake Park in Fort Worth with measured swim, bike, and run legs, USAT sanctioning, chip timing, and published cutoff times.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Rockaway Beach Triathlon/Duathlon in Queens features an open water swim, a 12 mile boardwalk bike on two loops, and a 3 mile run along the boardwalk.
Seven discipline team relay in Durango, Colorado on September 18, 2027 where teams complete trail run, mountain bike, swim, paddleboard, road cycle, river paddle and road run.
A charity running event in East Meadow, NY with timed races, awards for 400 m and 1500 m, relay prizes, race shirts, medals, live results, and free finish line photos.
Point Lookout triathlon featuring a 1/2 mile swim, 6 mile bike and 2 mile run; equipment and helmet required, spectators welcome and awards by age group.
Multisport event in Texas City on Sept 18, 2027 featuring sprint triathlon, duathlon, and aquabike with swim on a sandy bottom and bike on the dike.
IRONMAN Maryland in Cambridge features a 2.4 mile river swim, a bike course through Blackwater National Wildlife Refuge, and a downtown run with strong local support.
A multisport weekend at Rye Playland on Sept 18–19, 2027 featuring an Olympic triathlon, aquabike, duathlon, one mile swim, relays and youth races.
Multi-discipline triathlon, duathlon, aquabike and 5K in Tarpon Springs on September 18, 2027, with swim at Fred Howard Beach and bike courses across the Causeway.
A community event with a 5K, a duathlon including a 21 mile bike, children's fun runs and a color run, hosted at Morrison High School.
A 65.2 mile adventure triathlon along the New River Trail in Southwest Virginia featuring a 40 mile bike, 12.1 mile kayak and 13.1 mile run, for solo racers or teams.
Ocean swim and beachfront bike in Long Beach California on September 19, 2027 with SuperSprint, Sprint, and Olympic distances and fundraising for Children’s Hospital Los Angeles.
Cal Tri Austin at Walter E. Long Metropolitan Park offers sprint and Olympic swim, bike and run events across multiple distance options.
Sprint triathlon at Marsh Creek State Park near Downingtown, PA, featuring a 750 m lake swim, 20K bike loop and 5K run with lakefront views.
A triathlon at Devil's Lake in Baraboo, WI on 09/19/2027 offering Sprint Individual and Relay formats and a Wisconsin Triathlon Series entry.
A community triathlon in Kiel WI on September 19, 2027 with sprint triathlons, aquabike, kids races, and run events featuring chip timing and awards.