United States
- Alabama 13
- Alaska 11
- Arizona 17
- Arkansas 6
- California 59
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 45
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 27
- Indiana 28
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 9
- Maine 10
- Maryland 16
- Massachusetts 24
- Michigan 37
- Minnesota 27
- Mississippi 5
- Missouri 9
- Montana 11
- Nebraska 5
- Nevada 2
- New Hampshire 4
- New Jersey 27
- New Mexico 7
- New York 68
- North Carolina 33
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 27
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 55
- Utah 15
- Vermont 3
- Virginia 36
- Washington 21
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 893 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2026
Sager Creek Triathlon in Siloam Springs on June 7, 2026 offers sprint and international distances at the JBU Lifetime Walton Health Complex. Swimming is in a 25 yard pool and courses include rolling bike routes and a campus run.
A beachside multisport event in Melbourne Beach on June 7, 2026, featuring a 0.25 mile swim, 12-mile bike and 5K run, plus duathlon, aquabike and relay options; finisher medals and awards across many divisions.
A triathlon day in Lower Township, NJ with a boat jump start from the Cape May-Lewes Ferry, multiple race formats including Olympic and Sprint distances, a 1 mile open water swim, aquabike options, relays, and a kids fun run.
IRONMAN 70.3 Western Massachusetts in Springfield, MA pairs a current-assisted 1.2 mile swim in the Connecticut River with a 56 mile bike through the Berkshire Hills and a run that goes through Forest Park into downtown Springfield. Scheduled for Jun..
A sprint triathlon at Sandy Beach Park in Lake Mills, Wisconsin on June 7, 2026, offering individual and relay entries plus a Wisconsin Triathlon Series option. Distances include a 400 m swim, 16 mile bike, and 5 km run.
A sprint triathlon in Reston with a 400 meter swim in Lake Newport pool, a 12 mile bike on local streets, and a 5K run on area pathways. Aquathon and relay options are available, plus pre-race meetups and a wellness fair.
A triathlon and aquabike weekend near Jamestown Settlement in Williamsburg, VA featuring Olympic and sprint courses with flat bike routes, scenic beach swims, and state championship qualification opportunities.
Grand Rapids Triathlon in Ada Michigan on June 7 2026 offers 21 race options across Super Sprint, Sprint, Olympic and Half distances including triathlon, duathlon, aquabike and swim-only formats. A virtual untimed option runs during June and water av..
A day of swimrun and a trail race at Deam Lake, Indiana on 07 Jun 2026, featuring 5.4 km and 10.8 km swimrun options and a 5 km trail run with published entry fees.
A one day triathlon in Buffalo, Minnesota on June 7, 2026 offering sprint and Olympic distances with individual and two or three person relay options. Courses begin with a swim in Buffalo Lake and pass through downtown and country roads.
The Harvest Triathlon in Wareham, Massachusetts on June 7, 2026 offers sprint and Olympic triathlon and aquabike options with lake swims, single-loop bike courses and a closed trail run through cranberry bogs. It is a qualifier for USA Triathlon Stat..
Multi sport races in Harvard, MA on June 7, 2026, featuring sprint triathlon, relay, duathlon and aquabike. Online registration runs from December 1, 2025 to June 6, 2026 and relay teams register with one paying member.
Multi-format triathlon day at Keuka College with sprint and intermediate distances, aquabike, duathlon and relays. The event includes an indoor buffet style lunch and is produced by First Knight Racing.
Multi distance run and bike event at ZooMontana in Billings with individual and relay options, courses through the Shiloh Conservation Area and local roads, and a portion of proceeds supporting ZooMontana’s veterinary clinic.
A USAT sanctioned sprint in Fox Lake, Illinois featuring a 750 yard swim, 12 mile bike and 3.1 mile run; individual and relay entries are accepted and packet pick up plus finish line festivities are provided.
A fundraising event in Gibraltar, Michigan combining kayak and stand up paddle tours with 5K and shorter runs to support research into HHT. Lifejackets are required and food and drinks will be available for purchase.
A multisport event at Sylvan Beach Park on June 7, 2026 offering sprint and Olympic triathlons, relays, and a duathlon, with age group awards and team competitions for fastest and largest teams.
Inaugural IRONMAN 70.3 Omaha on June 7, 2026 features an exclusive swim in Lake Cunningham, a rolling bike through Nebraska farmland, and a run that crosses the Bob Kerrey Pedestrian Bridge, with World Championship qualification available.
Triathlon and duathlon races at Rancho Seco Park featuring a lake swim, road bike and dirt trail run. Distances include a half mile swim with a 16 mile bike and 3 mile run; the duathlon replaces the swim with a 1 mile run.
Participate in a sanctioned triathlon or biathlon in Winchester featuring indoor swimming and a rolling road course. This annual fundraiser supports the Community Bicycle Rodeo by providing bikes and helmets to local children.