United States
- Alabama 15
- Alaska 10
- Arizona 19
- Arkansas 4
- California 61
- Colorado 19
- Connecticut 16
- Delaware 3
- District of Columbia
- Florida 46
- Georgia 14
- Hawaii 3
- Idaho 14
- Illinois 22
- Indiana 25
- Iowa 21
- Kansas 9
- Kentucky 12
- Louisiana 8
- Maine 10
- Maryland 15
- Massachusetts 18
- Michigan 30
- Minnesota 24
- Mississippi 5
- Missouri 7
- Montana 7
- Nebraska 5
- Nevada 2
- New Hampshire 4
- New Jersey 25
- New Mexico 6
- New York 64
- North Carolina 31
- North Dakota 1
- Ohio 21
- Oklahoma 8
- Oregon 7
- Pennsylvania 24
- Puerto Rico 2
- Rhode Island 2
- South Carolina 13
- South Dakota 3
- Tennessee 17
- Texas 56
- Utah 13
- Vermont 4
- Virginia 37
- Washington 22
- West Virginia 5
- Wisconsin 33
- Wyoming 3
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 835 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2026
A 10.5 mile duathlon at Cone Park Trails in Sioux City on June 26 as part of Trail Fest, combining single-track running and two bike loops. Bikes start first; Level One eBikes are allowed and awards follow with onsite refreshments.
Experience a women focused multisport event at Waterloo State Recreation Area featuring triathlon, duathlon, and aquabike options. Enjoy scenic paved bike routes and mixed terrain runs followed by a festive post race pancake breakfast.
Black Diamond Triathlon is the RTB series opener at Nolte State Park with a Deep Lake swim and rolling bike and run courses through Ravensdale and Enumclaw. Multiple distances and relays are offered, with a finisher medal and race shirt.
A spring-fed super sprint at Bottomless Lakes State Park featuring a 1/4 mile swim, 8 mile bike and 4k run with individual, under-18 and coed relay divisions; proceeds support Harvest Ministries of Roswell.
A one-day triathlon in Verona, Wisconsin on June 27, 2026 offering sprint and Olympic individual and relay races plus a series entry. Registration opens October 9, 2025 and closes October 18, 2025.
A sprint triathlon in Whitefish, Montana featuring a 1/2 mile open water swim in Whitefish Lake, a 20K out-and-back bike with four miles of hills, and a two lap 5K run at City Beach.
A sprint triathlon split into five short loops at Robious Landing Park, with adult, relay, and youth distances; relays alternate loops and youth complete two loops, and athletes remain within about one mile of spectators.
A multi event triathlon at Ideal Beach Waterpark in Elkhart on June 27, 2026 featuring a 400 yard swim, 12 mile bike and 3.1 mile run, plus kids competitive and non competitive races with lifeguards and course monitors.
Tri Nikiski in Nikiski, Alaska stages an untimed triathlon on June 27, 2026 with adult and kids divisions. The adult course is a 500 yard swim, 10.6 mile bike and a 5 km run, and relay teams can be two or three people.
A multi-format adventure race at Mt Telemark Village in Cable, Wisconsin offering 5 hour, 12 hour and 24 hour options featuring navigation, mountain biking and paddling. Registration runs from November 1, 2025 to January 11, 2026.
A one-day multi-sport event in Old Forge combining 13 miles of mountain biking, hiking, trail running and a 5.4 mile kayak on the Moose River. Starts and finishes at the George T. Hiltebrant Center and is limited to 200 participants.
A sprint multisport event at Dorchester Park in Whitney Point on June 27, 2026, featuring individual and relay triathlon, aquabike, and duathlon. Proceeds support the Broome County Parks Handicapped Playground Fund.
An adventure triathlon in Fayetteville, WV on June 27, 2026, combining mountain biking, Class IV whitewater, and trail running. Formats include Solo, 3-person Relays, and 4 to 6 person raft teams with a provided river guide.
Loveland Lake to Lake Triathlon in Loveland Colorado offers Sprint, Olympic, aqua bike, relay, and SUP race formats on one Saturday in June. The USAT sanctioned event features a shaded lakeside venue, family amenities, and a post-race meal.
Eagle River Triathlon in Chugiak, Alaska hosts the 2026 Alaska State Championship for Olympic and Sprint triathlons, plus duathlon, relay and kids races on pool swims and out-and-back bike routes near the Chugach range.
Off road triathlon, duathlon, sprint triathlon, and aquabike races at Magnolia Hill Ranch on June 27, 2026, featuring swim, mountain bike, and trail run distances. Entries include a shirt, aid stations, and post-race food; the event runs rain or shin..
A community triathlon in Bethlehem, Pennsylvania on June 27, 2026 that brings together athletes of all abilities. Options include short and long courses, a relay team event, and an untimed aid category.
A chip timed triathlon in Medford, NJ on June 27, 2026, with a 1/4 mile swim, 13.2 mile bike, and 3.1 mile run; digital registration, USAT rules apply, post-race BBQ and cotton shirts for participants.
Sprint triathlon options in Lock Haven on June 27, 2026 offer a swim-bike-run or a kayak-bike-run format, both including a 10.6 mile bike and 5k run. Individual and 2 or 3 person relay entries are accepted, with awards and post-race food.
A multi-sport adventure in Maquoketa, Iowa combining canoe or kayak paddling, cycling, and a 5K run. Options include a 25 mile full course and a 9 mile express, with individual and multiple team divisions.