United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 59
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 40
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 19
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 7
- Michigan 18
- Minnesota 10
- Mississippi 3
- Missouri 12
- Montana 6
- Nebraska 7
- Nevada 2
- New Hampshire 2
- New Jersey 14
- New Mexico 3
- New York 50
- North Carolina 22
- North Dakota
- Ohio 13
- Oklahoma 3
- Oregon 9
- Pennsylvania 21
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 42
- Utah 17
- Vermont 1
- Virginia 30
- Washington 14
- West Virginia 2
- Wisconsin 25
- 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 579 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2027
Sprint triathlon at Marsh Creek State Park near Downingtown, PA, featuring a 750 m lake swim, 20K bike loop and 5K run with lakefront views.
A triathlon at Devil's Lake in Baraboo, WI on 09/19/2027 offering Sprint Individual and Relay formats and a Wisconsin Triathlon Series entry.
A community triathlon in Kiel WI on September 19, 2027 with sprint triathlons, aquabike, kids races, and run events featuring chip timing and awards.
Robious Landing Park in Midlothian VA hosts sprint triathlon, duathlon, aquabike, youth races and an NCAA draft legal collegiate cup on 09/19/2027.
A multisport day at Bayview Park on Long Beach Island with triathlon, duathlon, aquabike and relay options, online registration, USAT rules, and awards across multiple divisions.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Multisport race at Crystal Cove State Park offering Sprint and Olympic triathlons, duathlons, aquabikes, relay options, and a 5K beach and trail run in Orange County, CA.
Multi-discipline races at Wallis Sands State Park in Rye, NH featuring a 1/3 mile ocean swim, a 14.5 mile bike loop, and a 5K run plus virtual options.
Late season 70.3 triathlon in Richland, WA with a downriver 1.2 mile swim in the Columbia River, a rolling 56 mile bike through wine country, and a flat 13.1 mile run.
All-women sprint triathlon in Huntersville with in-person and virtual options, pool swim, an 8 mile bike loop, a two-loop run, and youth race divisions.
Multi-distance triathlon at Still Water Lakes and Jensen Nature Park in Syracuse, Utah, featuring sprint, Olympic, and long courses plus duathlon aquabike and relay options.
Two day triathlon festival at Lake Anna State Park with Olympic and Sprint distances, open water swims, rolling bike routes and park run finishes.
A sprint triathlon in Mesa, Arizona on September 25, 2027, with an 8 lane 400m serpentine swim, bike and run legs, a duathlon and a youth Splash n' Dash.
A run, bike, run duathlon at Mendon Ponds Park in Honeoye Falls, NY, offering 26 mile and 14 mile options with USA Triathlon sanctioning.
An adventure race in Kamas, Utah on September 25, 2027 featuring trekking, mountain or gravel biking and navigation in the Unita Wasatch Cache National Forest.
A lakefront multisport event at Boyd Lake State Park on September 26, 2027 offering triathlon, duathlon, aquabike and SUP races with on-site camping and spectator friendly courses.
Multi distance triathlon weekend at Ray Roberts Lake State Park with sprint and Olympic swim bike and run options plus 5K and 10K courses.
IRONMAN Chattanooga features a downriver swim, rolling bike and run in Chattanooga, TN, with warm water and noted spectator support; 2027 registration opens Oct 15, 2026.
October 2027
An adventure race at Camp McClintock with a climb, zipline, trail runs and a kayak segment, organized with zero waste practices and supervised safety.
A pool triathlon at the Mattoon YMCA with a 275 yard swim, 12 mile bike and 3.1 mile run, offering individual and team entries and age group awards.