United States
- Alabama 13
- Alaska 9
- Arizona 17
- Arkansas 6
- California 64
- Colorado 20
- Connecticut 22
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 16
- Hawaii 4
- Idaho 16
- Illinois 29
- Indiana 32
- Iowa 21
- Kansas 7
- Kentucky 11
- Louisiana 9
- Maine 10
- Maryland 17
- Massachusetts 27
- Michigan 39
- Minnesota 26
- Mississippi 5
- Missouri 10
- Montana 10
- Nebraska 5
- Nevada 3
- New Hampshire 4
- New Jersey 30
- New Mexico 9
- New York 72
- North Carolina 35
- North Dakota 1
- Ohio 24
- Oklahoma 8
- Oregon 10
- Pennsylvania 31
- Puerto Rico 1
- Rhode Island 3
- South Carolina 15
- South Dakota 4
- Tennessee 22
- Texas 53
- Utah 15
- Vermont 3
- Virginia 35
- Washington 26
- West Virginia 7
- 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 930 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
Bear Lake Triathlon in North Muskegon on May 24, 2026 features Sprint and Olympic triathlon, duathlon, aquabike, and relay options. Distances range from 750 m swims to 24 mile bike legs and registration opens October 1, 2025.
A combined supported group trail run along the South Fork American River and a full day guided whitewater rafting trip, with 10 mile and 4 mile run options, guided rafting, lunch on the river, and included hat and aid station supplies.
H2 GO Splash and Dash is an untimed swim and run training day at Hobart High School on May 24, 2026. It offers two distances and is free for kids and members; non-member adults must buy an annual NWI Tri membership.
A swim and run event at Brady's Run Park on May 24, 2026, with age-based distances ranging from a 100 meter swim and 2K run to a 400 meter swim and 5K run. Proceeds support the Get Fit Families Youth Scholarship Fund.
A multi-distance triathlon in Austin on May 25, 2026 with a swim in Lady Bird Lake, a downtown bike route near the Texas Capitol, and a run through Butler Park. A Finish Line Festival offers snacks, drinks, and live music.
A midweek duathlon at Cycle Werks in Whitehouse, Ohio featuring a 1.4 mile run, a 12.8 mile bike and a 2.75 mile run on the Wabash Cannonball trail. USA Triathlon sanctioned with age group standings and a post race meal.
A six-race summer triathlon series at Cedar Lake in Chester CT held every other Thursday, with sprint and super sprint distances plus individual and relay options. Preregistration is required and the event follows specific safety and course rules.
A sprint triathlon in Lewisburg featuring a 300 yard pool swim, a 15 mile rolling bike course and a flat 5K run. Free youth Splash and Dash races take place the day before.
A fundraising event at Goodfield Park supporting St. Jude Children's Hospital with a 5K, 2 Mile walk, disc golf and a virtual option. An ice cream social follows and shirts are guaranteed for registrations by May 20.
Triangle Sprint and Mini Sprint in New Hill, NC on May 30, 2026 offers sprint, relay, aquabike, mini sprint and a youth triathlon with separate registration windows and fees for each race.
OnondagaMan in Jamesville NY offers long and intermediate triathlon and AquaBike formats on May 30 2026, including relay options and no cut-off times. The event features aid stations, a beer garden, music, and a "Do the Double" bundle with CassadagaM..
IRONMAN 70.3 Hawai'i on May 30, 2026 brings an ocean swim in Kailua-Kona together with rolling bike and run courses through lava fields and along the coast, and includes qualifying slots to the IRONMAN World Championship.
Experience a diverse multisport weekend in Wyoming County featuring triathlons, duathlons, and road races. Challenge yourself on the intermediate bike climbs or enjoy a scenic run through the rural Finger Lakes landscape.
A multisport event in Abington, Pennsylvania on May 30, 2026 featuring pool swims, bike segments, and a 5K run across individual, team, duathlon, and aqua bike formats, with proceeds benefiting several local community organizations.
A five hour adventure race at Morrow Mountain State Park combining hiking and paddling, raced solo or in teams of two to four. Competitors navigate with pre-plotted CalTopo maps to collect natural checkpoints; food and awards follow.
A multi-race day at Baldwin Lake on May 30, 2026, with adult sprint triathlon and duathlon, youth triathlon divisions, an adult relay, and a 2.2 mile fun run. Many race elements are visible from a single elevated spectator point.
A multisport event at Harry Bowen Memorial Park in Port Republic, NJ on May 30, 2026 offering triathlon, duathlon, aquabike and relay formats. The course features calm open water, traffic-controlled roads, USAT-sanctioned rules, and age and special d..
Weekend triathlon and aquabike races in Rock Hall, Maryland, featuring Olympic and Sprint distances. Swim in Rock Hall Harbor, bike on rural roads with wide shoulders, and run on pancake flat streets through nautically themed neighborhoods.
A multi-discipline 24 to 30 hour adventure race in Pocahontas County, West Virginia, covering about 95 to 120 miles. Teams of two to four will trek, mountain bike and packraft on a course that emphasizes navigation, route choice and points-based scor..
Off road multisport races at Muleshoe Bend on May 30, 2026 featuring cross triathlon, duathlon, and aquabike with mountain bike and trail segments. Aid stations, post race food, and awards are provided.