United States
- Alabama 14
- Alaska 9
- Arizona 17
- Arkansas 6
- California 63
- Colorado 20
- Connecticut 22
- Delaware 3
- District of Columbia
- Florida 43
- Georgia 16
- Hawaii 4
- Idaho 16
- Illinois 30
- Indiana 31
- Iowa 22
- Kansas 7
- Kentucky 11
- Louisiana 9
- Maine 10
- Maryland 17
- Massachusetts 27
- Michigan 39
- Minnesota 27
- Mississippi 5
- Missouri 10
- Montana 11
- Nebraska 5
- Nevada 3
- New Hampshire 4
- New Jersey 30
- New Mexico 9
- New York 73
- North Carolina 35
- North Dakota 1
- Ohio 24
- Oklahoma 8
- Oregon 10
- Pennsylvania 30
- Puerto Rico 1
- Rhode Island 3
- South Carolina 15
- South Dakota 4
- Tennessee 22
- Texas 54
- Utah 15
- Vermont 3
- Virginia 36
- 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 934 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
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.
An evening run-bike-run event in Whitehouse, Ohio on May 27, 2026, with paved trail runs and a flat country road bike course. The race is USA Triathlon sanctioned and includes a post-race Cuban sandwich offering.
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 at Lewisburg Area Recreation Park with a 300-yard pool swim, a 15-mile rolling bike course, and a flat 5K run; individual and relay entries plus a free youth Splash & Dash 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.
A two day multisport weekend around Silver Lake and in Wyoming County featuring running, duathlon, triathlon and aquabike races across multiple distances, relay options, published course maps, and age group awards.
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.
A multi-discipline adventure race in Boonville, NY on May 30–31 with 24 hour and 8 hour options, map and compass navigation, biking and paddling, USARA sanctioned status, live tracking, and post race food and awards.
A waterfront multisport event in Lavallette on May 30, 2026 offering Sprint Triathlon, AquaBike and Relay formats, a 1/4 mile open water swim with USAT wetsuit rules, a flat 12.50 mile bike and a 3.2 mile run along Barnegat Bay.
The 15th Annual Bass Lake Yosemite Triathlon on May 30, 2026 features Olympic and Sprint triathlon courses plus AquaBike and duathlon options at Bass Lake near Yosemite, with transition located at The Pines Resort and multiple nearby lodging choices.
The 8th and final ADF Winnemucca Sprint Triathlon takes place on May 30, 2026, presented by Age & Dementia Friendly of Winnemucca and supported by local sponsors to accompany the organization’s community and Alzheimer’s awareness activities.