United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 64
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 41
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 19
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 12
- 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 26
- 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 594 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
IRONMAN 70.3 Northern California in Redding on May 23, 2027 pairs a Whiskeytown Lake swim with a rolling bike through Shasta County and a flat Sacramento River Trail run.
Triathlon in State College with a reservoir swim, rolling-country bike course and a run that loops Beaver Stadium and finishes nearby.
An all women sprint multisport event in Mount Pleasant SC offering triathlon, duathlon, aquathlon, relay and virtual options with a 200 yd swim, 9 mile bike and 2 mile run.
Duathlon at Cycle Werks in Whitehouse, Ohio featuring a 1.7 mile run, 12.8 mile bike and 2.75 mile run; USA Triathlon sanctioned.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
An adventure race near Rib Mountain, WI on May 29 2027 with running, biking, paddling, orienteering and team challenges in 3 hour 8 hour and 18 hour formats.
Second-year sprint triathlon at Hartness in Greenville with a 750 m open water swim, 20K bike and 5K run, plus relay, aquabike and aquathlon options.
Adventure navigation race at Rockford Lake near Beatrice, NE, with 2 hour and 5 hour options combining biking, kayaking, and running for solo or two-person teams.
Open water swim festival at Jamestown Beach Event Park on May 30, 2027 with 5K, one mile, and half mile races, timed results, and age-group awards.
Multisport event in North Muskegon on May 30, 2027 offering Sprint and Olympic triathlon, duathlon, aquabike, plus 2 and 3 person relays.
A multi distance triathlon in Austin with a Lady Bird Lake swim, downtown bike route, and a run to Auditorium Shores plus a post race festival.
June 2027
USAT sanctioned triathlon at Creve Coeur Park on June 28, 2026 offering sprint, Olympic, relay and 6K options with an expo and packet pickup the day before.
Experience a diverse multi sport event in Princeton featuring Sprint and SuperSprint triathlons plus duathlon aquabike and 5k running options for all ages.
A two-day triathlon festival in Rock Hall, Maryland with Olympic and Sprint triathlons, aquabike options, sheltered bay swims and mostly flat bike and run courses.
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..
Circuit style USAT sanctioned triathlon at Esther Simplot Park in Boise featuring Super Sprint, Sprint, Olympic, relay, adaptive and youth Splash and Dash events.
Sprint triathlon at Long Pond in Wellfleet with a kettle pond swim, Cape Cod National Seashore bike and Atlantic view run, raising funds for community radio WOMR.
Multi-discipline triathlon near Bass Lake and Yosemite on June 5, 2027, offering Olympic, sprint, AquaBike and duathlon options.