United States
- Alabama 8
- Alaska 4
- Arizona 15
- Arkansas 1
- California 58
- Colorado 15
- Connecticut 3
- Delaware 2
- District of Columbia 1
- Florida 39
- Georgia 5
- Hawaii 4
- Idaho 6
- Illinois 17
- Indiana 10
- Iowa 9
- Kansas 1
- Kentucky 5
- Louisiana 5
- Maine 2
- Maryland 10
- Massachusetts 9
- Michigan 17
- Minnesota 6
- Mississippi 5
- Missouri 8
- Montana 3
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 7
- New Mexico 3
- New York 48
- North Carolina 22
- North Dakota
- Ohio 11
- Oklahoma 4
- Oregon 5
- Pennsylvania 15
- Puerto Rico 1
- Rhode Island 1
- South Carolina 8
- South Dakota
- Tennessee 11
- Texas 45
- Utah 14
- Vermont 1
- Virginia 27
- Washington 10
- West Virginia 2
- Wisconsin 20
- 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 532 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
IRONMAN Maryland in Cambridge, MD features a 2.4-mile river swim, a scenic bike route through Blackwater National Wildlife Refuge and a run through downtown Cambridge.
She Tris Sprint Triathlon in Carnes Crossroads, Summerville, SC offers pool swim, three-loop bike and a 2 mile run with youth divisions, duathlon and aquathlon options. Virtual participation is available throughout September with packet pickup or mai..
Experience a USA Triathlon sanctioned event at the historic Rye Playland featuring Olympic distance races, collegiate championships, and youth triathlons.
Sprint triathlon, duathlon and aquabike take place in Texas City on 19 September 2026 with swim, bike and run courses on the dike and through Bay Street Park trails.
Experience the mountain scenery of Bear Lake State Park at this multi distance triathlon event. Choose from Sprint, Olympic, or Half distances and enjoy the blue waters of the Caribbean of the Rockies.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A fall sprint triathlon and 5k at Goose Pond Colony Resort in Scottsboro, AL featuring a 500 m swim, 14 mile bike and 5K run, plus separate 5k run/walk. Triathlon entries are USAT sanctioned and race entries are non-transferable.
A three stage 65.2 mile bike, paddle and run event on the New River with solo and 2 to 3 person relay options and a 300 entrant limit.
Multi-distance triathlon at Tims Ford Lake in Winchester TN on September 19, 2026 offering sprint and Olympic triathlons, duathlons, aquabike, relays and weight class divisions.
A 12 hour, 40-mile adventure race at Lake James State Park near Linville Gorge on September 19, 2026. Teams of one to four navigate trails, bushwhack, bike, and paddle to collect unmanned checkpoint punches.
Rexburg RUSH Triathlon is a lakeside triathlon at Wakeside Lake in Rexburg, Idaho, produced by Tri Peaks Epic Events. It is scheduled for September 2026 and has an aggregate rating of 5 from two reviews.
A community race day in Morrison featuring a duathlon, 5K, multiple kids races and a Color Run, with chip timing and age‑group awards.
A unique partner triathlon in Columbia featuring a 3.5 mile canoe, a 7.5 mile mountain bike ride, and a 2.65 mile trail run through Chickasaw Trace County Park.
Sea Cliff Triathlon at Harry Tappen Beach on September 19, 2026 features a super-sprint 400 m swim, 6 mi two lap bike and 2 mi run with individual, youth and relay divisions.
Rise & Run in Denmark, WI combines a run-bike-run duathlon with individual and two or three person relays plus a free one mile fun run where leashed dogs and strollers are allowed; proceeds support Arise missions.
A point to point multisport race in Nickerson State Park on September 19, 2026 combining trail running, road cycling and pond swims or paddling for solo or team entries.
A short-course triathlon at Town Park at Point Lookout on September 19, 2026 with a 1/2 mile swim, 6 mile bike and 2 mile run plus age-group awards.
A 12 hour USARA sanctioned adventure race in Sausalito combining kayaking, mountain biking, trekking, and map and compass navigation across Marin and San Francisco Bay.
A USARA-sanctioned, 15 hour adventure race in Greenfield, MA combining biking, trekking, paddling and map navigation for solos and teams.
A fundraising day of mountain bike and cross country races at Oakdale Trails in Lapeer, with timed adult and youth events, awards, vendors and proceeds for trail maintenance.
A combined 5K trail run and 3K paddle at Chatfield State Park in Littleton, Colorado, with limited participant slots and paddleboard rentals available. Categories include men's, women's, and a couples relay where teammates split the run and paddle.