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 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 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 582 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
A two day triathlon weekend at Kershaw Park on Canandaigua Lake offering adult, youth, relay and charity race options across multiple distances.
Sprint SUP triathlon near Echo Lake and Discovery Ski Area with a 10K mountain bike, 2K paddleboard and 6K run, open to individuals and two or three person teams.
Patriots Triathlon in Williamsburg, VA offers Olympic and Sprint triathlon and aquabike races at Jamestown Beach with flat bike and run courses.
A self-supported adventure race at Kill Creek Park on September 11, 2027, offering a 2-hour foot course and a 6-hour course with trekking, biking and paddling.
Triathlon at Lake Nighthorse in Durango, Colorado featuring sprint and Olympic distances, lake swim, road bike with climbs, and a dirt/gravel run.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Spa Girl Tri Lost Pines is a Resort triathlon event in Texas on September 11, 2027 with course maps, past results, photos and online event resources.
A sprint triathlon at Lakeside Park in Greenville SC with pool swims, 8 mile bike loops and 2 mile runs; single, double and relay options available.
Multi-distance triathlon at Craigville Beach with Sprint, Olympic, relay, aquabike, duathlon, aquathlon and a virtual "Tri It Your Way" option; USAT sanctioned.
Multiple distance triathlon weekend at Lake Welch, Stony Point, NY on September 11 and 12, 2027 with Olympic, long course, duathlon, aquabike and kids races.
Off-road triathlon and trail runs near White Lake, WI featuring a 3-mile Class II paddle, 13-mile technical mountain bike, and rugged riverbank trail runs.
A Folsom Lake triathlon featuring lake swims, draft legal gravel bike courses and single track trail runs with Sprint and Olympic options.
Multisport event at Atsion Lake, Shamong NJ on September 11, 2027 offering Olympic and sprint triathlon, duathlon, aquabike, and aquathlon with lake swim and trail run.
Triathlon in Norfolk combining a kayak course, a 5K run and a 10 1/2 mile bike ride for individuals or three person teams honoring military and first responders.
A 70.3 mile triathlon in Madison, WI on September 11, 2027, with a Lake Monona swim, rolling hills bike course, waterfront run and a Capitol finish.
Multisport event in Lavonia, GA on September 11, 2027 offering Olympic, Sprint and Aquabike races organized by Georgia Multisports Productions.
She Tris Sprint Triathlon in Summerville, SC offers women's and youth triathlon, duathlon, aquathlon and virtual options at Carnes Crossroads pool.
A USAT‑sanctioned triathlon at 370 Lakeside Park offering distances from a 5K and sprints up to a half triathlon, with a beach swim, country‑road bike courses, and a finish festival.
A multi segment triathlon near New Paltz with a 30 mile bike, three open water swims and four trail runs totaling nearly 20 miles of running.
A multisport event in Lafayette LA on September 12, 2027 with triathlon, duathlon, aquabike, aquathlon, relays and a 5K run and walk.