United States
- Alabama 10
- Alaska 3
- Arizona 13
- Arkansas 2
- California 66
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 3
- Hawaii 5
- Idaho 7
- Illinois 16
- Indiana 5
- Iowa 9
- Kansas 7
- Kentucky 5
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 7
- Michigan 15
- Minnesota 7
- Mississippi 5
- Missouri 12
- Montana 6
- Nebraska 5
- Nevada 3
- New Hampshire 1
- New Jersey 14
- New Mexico 4
- New York 48
- North Carolina 19
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 10
- Pennsylvania 20
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 45
- Utah 16
- Vermont 1
- Virginia 27
- Washington 12
- West Virginia 2
- Wisconsin 22
- 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 566 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
Women's triathlon in Centennial Park Nashville with a pool swim, city bike course, and a run by the Parthenon; Sprint and Super Sprint distances plus relay and virtual options.
Olympic and Sprint triathlons at Lake Nockamixon State Park in Quakertown, PA on May 16, 2027 featuring lake swims, closed bike courses, and on-course aid stations.
A triathlon at Pinewood Lake in Trumbull, CT featuring a 1 mile swim, 25 mile out and back bike, and a 5 mile hilly run with proceeds to a Bridgeport youth center.
A Fort Worth multisport event at Marine Creek offering sprint and Olympic triathlon distances plus a run bike run option and a virtual race alternative.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Triathlon event at Lake Anna State Park offering 12 options from sprint to Olympic distances with open water swims and wetsuits legal.
IRONMAN 70.3 Chattanooga on May 16, 2027 features a downriver Tennessee River swim, rolling bike through hills, and a run along riverfront and park trails.
Full distance IRONMAN in Jacksonville, Florida on May 16, 2027, featuring a current assisted St. Johns River swim, flat bike and rolling run with downtown riverfront scenery.
Multi-distance triathlon and duathlon event in Kansas City offering Olympic, sprint, relay and duathlon formats, scheduled for May 16, 2027.
Sprint triathlon, duathlon and aquabike at Honeymoon Island State Park with a 1/4 mile swim, 12 mile bike and 5K run plus finisher medals and division awards.
A community 5K at National Harbor on May 16, 2027 raising funds for the Potomac Riverkeeper Network to support clean water and river habitat protection.
Adventure-format race at Shawnee Mission Park with a 2 hour all on foot course and a 6 hour multi-discipline course including biking and paddling.
Weekly multi-discipline races at Leadbetter Beach Park in Santa Barbara from May 19 to August 25, 2027, featuring a 5 km run, multiple swim distances, and kids races.
Three days of XTERRA off road triathlon and trail running at Oak Mountain State Park in Pelham, AL with multiple race distances, youth championships, and a $30,000 elite purse.
A three day triathlon festival in Perrysville Ohio with individual races and a four person team relay across distances from 3.75 to 70.3 miles.
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.
Multi-discipline women's event at American Fork Recreation Center offering pool-swim triathlon, duathlon, aquabike, aquathon and a 5K with timed results and on-site support.
Bear Triathlon at Lums Pond State Park on May 22 and 23, 2027 features Sprint and Olympic races, aquabike and relay options, plus youth divisions under USA Triathlon sanction.
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.