United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 51
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
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 654 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2027
A sprint and Olympic triathlon at Lake Nockamixon State Park in Quakertown, PA. Swim a buoys marked lake course, ride on a closed, well paved bike loop, and run along Route 563 with aid stations every mile.
Triathlon at Pinewood Lake with a 1 mile swim, 25 mile out and back ride, and 5 mile hilly run; proceeds benefit the Cardinal Sheehan Center.
Multi format race day at Marine Creek Public Boat Ramp in Fort Worth on May 16, 2027 featuring Olympic and Sprint triathlons, a Run, Bike, Run duathlon, relays and a virtual option. USAT sanctioned and relay teams share one timing chip.
Cal Tri Richmond on May 16, 2027 at Lake Anna State Park features 18 race options across Olympic, Sprint, and Youth Sprint formats, with open-water swims, bike legs of varying distance, and an average water temperature around 77 F.
A half distance IRONMAN in Chattanooga, TN on May 16, 2027, featuring a downriver Tennessee River swim, rolling bike through hills, and a riverfront run.
Full-distance IRONMAN triathlon in Jacksonville, Florida featuring a downriver swim, a flat bike course, and a downtown finish amid urban and coastal scenery.
A three day off-road triathlon and trail running festival at Oak Mountain State Park in Pelham, Alabama, featuring multiple race distances and a weekend festival, May 21 to 23, 2027.
Open-water swims and a 5K run meet at the Downtown Safe Harbor Beaufort Marina with options from a 3.2 mile river swim to combined swim-run and relay formats. Proceeds support the Wardle Family YMCA Learn to Swim program.
Shi-Tri is a run, paddle and bike triathlon in Downtown Owosso along the Shiawassee River. Entrants may compete individually or as a 2 to 3 person relay and choose to race or take a recreational pace.
Multi-discipline event at Lake Manawa Beach on 23 May 2027 featuring sprint and relay triathlons, aquabike, aquathon, open-water swim and a duathlon, with swim, bike and run courses around the lake.
An evening duathlon at Cycle Werks in Whitehouse, Ohio with a 1.7 mile run, 12.8 mile bike and 2.75 mile run; USAT sanctioned with age group results.
A one-day triathlon at Harris County Park in New Hill, NC on May 29, 2027 featuring Sprint races, a Mini Sprint for athletes new to open-water swimming, and a Super Mini youth race for ages 7 to 10. Registration runs Nov 1 to Dec 31, 2026.
Triathlon in Austin on May 31, 2027 with Supersprint, Sprint, and Olympic distances, swimming Lady Bird Lake and finishing at Auditorium Shores.
June 2027
A USAT-sanctioned triathlon at Innsbrook Resort with a lake swim, rolling-bike loops, and mixed-surface run. Multiple sprint and Olympic distances are offered along with aquabike and relay options, plus packet pickup and on-course support.
A USAT sanctioned state championship triathlon at Creve Coeur Park on June 28, 2026 featuring sprint and Olympic formats, relays, a 6K run, pre race expo and post race festival with awards and athlete amenities.
A multisport weekend in Princeton on June 4 and 5 2027 featuring triathlons, a duathlon, an aquabike event and a youth clinic. Various race distances and age group awards are offered across events.
OnondagaMan in Jamesville NY offers long and intermediate triathlon and AquaBike options plus relay teams, stocked aid stations, a beer garden and on-site music.
Two days of triathlon in Rock Hall Maryland featuring harbor swims, mostly flat bike and run courses, plus relay and aquabike options.
Multisport events at Abington High School on June 5, 2027 include triathlon, team triathlon, duathlon, aqua bike and a 5k run. Registration opens 11/06/2026 and fees vary; proceeds benefit local Abington community organizations.
Multisport race day at Island Lake State Recreation Area in Brighton, Michigan on June 5, 2027, offering Olympic and sprint triathlons, relays, aquabike, a duathlon, and timed practice swims. Swim in Kent Lake, bike rolling tree lined roads, and run..