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!
June 2027
A multisport event in Napoleon Ohio on June 12, 2027 featuring individual and team triathlon and duathlon races plus a kids fun triathlon; registration runs January 14 to May 14 with tiered entry fees.
A sprint triathlon at Lakeside Park in Pawling, NY with a 0.3 mile swim, 12 mile bike and 3.1 mile run; registration is not yet open.
Two-day multisport festival at Foster Reservoir in Sweet Home, OR with triathlons, duathlons, bike rides, swims, running races, and family events.
A USAT sanctioned triathlon in Bolton Landing, NY on June 12, 2027 with Sprint and Olympic distances, a Lake George swim, and bike and run courses in the Adirondacks.
Beach Bum Triathlon & Duathlon at Coligny Beach in Hilton Head Island on June 12, 2027 features individual triathlon and duathlon races plus a team relay for teams of two or three people.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
IRONMAN 70.3 Boulder is a 70.3 triathlon in Boulder Colorado with a reservoir swim and hilly bike and run courses set against the Flatirons at high elevation.
Lake swim, rolling bike course and mixed-surface run at Innsbrook Resort on June 12, 2027, with sprint and Olympic distances plus relay and aquabike options.
A reverse-order triathlon in Payson, UT with a 5K run, 11-mile bike through orchards, a pool swim, plus a kids super-sprint and a 5K walk/run.
A longstanding Charlotte event offering metric and half metric rides, a 15 mile fun ride, a 5K and duathlon with SAG support, rest stops and post ride lunch.
A 15 miles kayak, bike and run through the Huron National Forest from Mio Pond to Boney Park, held as an individual or team event benefiting Love INC of Oscoda County.
Olympic and Sprint triathlons at Jamestown Beach Event Park near Williamsburg on June 13, 2027 featuring flat bike and run courses and river swim courses.
Triathlon in Lower Township, New Jersey on June 13, 2027 featuring a 12 foot ferry jump start, multiple race distances, live tracking and USAT sanctioned closed courses.
A multisport day at Pleasant Creek State Park featuring sprint and Olympic triathlons, aquabike, a sprint duathlon and a 1500 m open water swim, with relay teams welcome and chip timing for all races.
A multi-option triathlon event on June 13, 2027 at Sweden Point Marina offering sprint and Olympic swim, bike and run races near Washington DC.
IRONMAN 70.3 Rockford in Rockford, Illinois features a downriver swim on the Rock River, rolling scenic bike roads through rural Illinois, and a flat run along local trails.
A triathlon at Deyo Reservoir near Weippe, Idaho on June 13, 2027 with a 300 yard swim, about 13 miles of mountain biking and a 2.2 mile run around the reservoir. Single transition area, limited parking and camping available.
Triathlon in Cambridge, Maryland with a 1.2 mile swim in the Choptank River, a 56 mile bike through Blackwater National Wildlife Refuge and a 13.1 mile run.
Multi-distance triathlon at Glen Lake Rotary Park in Bozeman on June 13 2027 featuring Olympic, Sprint, Super Sprint and youth Splash and Dash races.
USAT sanctioned half iron triathlon at Vantage Boat Launch with a 1.2 mile swim, 56 mile bike and 13.1 mile run, plus relay and virtual options.
Swim and run across clear lakes and forest trails at Boulder Beach, Groton on June 13, 2027, with three courses from 10K to 36K for solo or partner entries.