United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 64
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 41
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 19
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 12
- 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 26
- 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 594 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 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.
IRONMAN 70.3 Eagleman in Cambridge, Maryland features a protected 1.2 mile swim, 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 in Vantage 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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Columbia Triathlon in Columbia, Maryland offers Sprint and Super Sprint distances with a pool swim, bike course and paved trail, sanctioned by USA Triathlon.
Flat, fast triathlon in Ada, Michigan offering Super Sprint to Half distances with triathlon, duathlon, aquabike, relay and swim only options.
A themed multisport and 5K event at Clermont Waterfront Park on June 13, 2027 with swim, bike, run, relay and virtual options.
Multi-discipline event at Keuka College with Sprint and Intermediate triathlons, aquabike, duathlon, relays, and post race dining; online registration closes the Friday before the race.
Inaugural IRONMAN 70.3 Lake George on June 13, 2027 features a lake swim, rolling bike and flat run in Lake George NY with a spectator friendly lakeside venue.
All-women triathlon at Harris YMCA in Charlotte on June 13 2027 featuring a 200 yard swim, 8 mile bike and 2 mile run plus relay aquathlon duathlon and virtual options.
A Lake Winona triathlon in Winona MN offering Olympic and sprint swim bike run courses plus aquabike and duathlon options.
A three-race Super Sprint triathlon series near Woodstock NY with individual, AquaBike, and relay options, paratriathlete entries, and season points for top finishers.
A two-day triathlon in Rogersville, Missouri offering youth and adult distances including supersprint, sprint and Olympic(ish) formats, marking the 40th annual ConcreteMan.
A sprint triathlon in Conneaut Lake, PA featuring a 650 yard swim, 13.8 mile bike and 5K run with individual and relay options, timing, awards, and race shirt and swim cap included.
USAT sanctioned triathlon festival in Ticonderoga, NY offering Sprint, Olympic and Double Ti triathlons plus AquaBike options with no cut off times.
A set of triathlon, duathlon, team relay, and 5K races at Waterfront Park in Medical Lake, WA, featuring an out-and-back open water swim and paved road and trail bike and run courses.
A multi event day at Castaic Lake on June 19, 2027 offering 12 options from sprint swims and 5K runs to Olympic distance triathlons.
Annual community race on the High Trestle Trail with 5K, 10K, duathlon and virtual options; 208 athletes participated in 2026 to support the Boone County Hospital Foundation.
Multisport event at Craigville Beach offering sprint and Olympic triathlons plus duathlon aquabike and aquathlon with lifeguarded swims and looped bike courses.