United States
- Alabama 13
- Alaska 11
- Arizona 20
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 25
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 56
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 894 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2026
TRI Mountain Lake on July 18, 2026 in Liberty Township, NJ features a sprint triathlon (1/4 mile swim, 15 mile bike, 3 mile run), relay options for two or three, an aqua bike, and a separate 3 mile run; registration runs Jan 1 to Jan 18.
An offroad triathlon in Walhalla, ND on July 18 to July 19, 2026, featuring a 2.4 mile swim, 113.4 miles of gravel and mountain biking with stream crossings, and a 26.7 mile trail run.
Martinsburg Sprint & Super Sprint on July 18, 2026 offers multiple swim, bike and run formats at War Memorial Park, including Super Sprint, Sprint, duathlon, aquabike and relay options with varied distances and event-specific fees.
A seaside biathlon in Long Beach, NY on July 18, 2026 featuring boardwalk or beach runs followed by ocean swims for adults, teens, and children, with on-site registration, race amenities, and age-group awards.
Indy Sprint Tri at Eagle Creek Park on July 18, 2026 offers triathlon, duathlon, aquabike and relay formats with set swim, bike and run segments. Registration runs January 6-31 and fees start at $65.
A women only sprint triathlon and duathlon in Pointe Marie, Baton Rouge, featuring a pool swim and a 12 mile River Road bike route. The event is USAT sanctioned and proceeds benefit the RocketKidz Foundation.
Tri Boulder 2026 is a summer multisport event at Boulder Reservoir in Colorado offering sprint, Olympic and long course triathlon formats plus aquabike, duathlon and relay options. Entry fees vary and some relay team member entries are listed at zero..
A mini triathlon in downtown Chillicothe featuring a 200 m pool swim, a 6.2 mile bike and a 1.6 mile run on the Paint Creek Recreational Trail. Transition is located by the pool house parking lot.
Races around West Lake Okoboji finish on the Arnolds Park Promenade, featuring a triathlon plus half marathon, 10K and 5K. Packet pickup is at the Iowa Great Lakes Area Chamber of Commerce and aid stations appear along the courses.
A multi-segment outdoor event at Clearwater Forest in Deerwood, MN on July 18, 2026 featuring paddle, bike, and run segments in individual, relay, or team formats, with waterfront activities, live music, yard games, and a free dinner.
A 10 hour adventure race in Chattanooga where teams of two mountain bike, trail run and navigate across local terrain. Registration runs April 4 to April 12 with a $54 fee.
A point to point to point triathlon in Forrest City AR on July 18, 2026 featuring a 1/3 mile swim, a 13 mile bike with about 550 feet of elevation gain, and a 3 mile run finishing at the Chamber of Commerce.
A July 18, 2026 event at Eagle Valley Center in Juneau featuring a swim and run combined race plus 5K and 1 mile running races.
A paddle triathlon in Le Roy, NY combining a 5K run, a 13.1 mile bike and about a 1.5 mile canoe or kayak leg. Options include individual entry and 2, 3, or 4 person teams; registration opens March 12 and closes July 17, 2026.
A community fundraising event at Cook Forest State Park on July 18, 2026 featuring a duathlon, a timed 5K, and a two mile walk with awards, raffles, cash prizes, and a free picnic lunch for racers and spectators.
Experience a unique triathlon in Glendive featuring an 8.3 mile kayak on the Yellowstone River followed by a run and gravel bike leg. Join as an individual or a relay team for this scenic journey to the badlands.
A half-distance triathlon in Salem featuring a 1.2 mile downriver swim in the Willamette River, a 56 mile bike through wine country, and a flat 13.1 mile run on paved park and riverfront trails. The event is a World Championship qualifier.
IRONMAN 70.3 Ohio in Sandusky starts with a ferry swim in Lake Erie, follows a fast flat 56 mile bike through rural roads, and finishes with a 13.1 mile run through historic downtown. The race offers IRONMAN 70.3 World Championship qualification and..
Experience a sprint triathlon or 5k run at Texas Woman's University in Denton. Choose between individual races, team challenges, or relays before enjoying a post race party with world famous pancakes.
Green Lake Triathlon on July 19, 2026 at Deacon Mills Park offers sprint and Olympic individual and relay races plus a Wisconsin Triathlon Series entry, with swim, bike, and run distances listed per format.