United States
- Alabama 13
- Alaska 11
- Arizona 20
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 20
- 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
A women-focused triathlon in Maryville, TN at John Sevier Pool offering short and sprint courses, Athena classes, and relays, with a bike loop around Springbrook Park and a run on local greenways.
A Tri in the Buff is the 29th annual triathlon at Evangola State Park on Lake Erie, offering multiple race formats from a short Try-A-Tri to intermediate triathlon, duathlon, aquabike and relay options, with post-race lunch and awards.
A self supported 24 hour adventure race in Greenwood, Maine where teams of one to four navigate an unmarked linear course by mountain bike, foot and boat using map and compass. Registration opens Jan 4 2026.
A multi-format event at Jefferson County Lake in Rigby, Idaho on July 11, 2026, featuring sprint and Olympic triathlon distances, duathlon races, 5K and 10K runs, and a two-person sprint team category.
Multisport event at Morse Park & Beach on July 11, 2026 featuring triathlon, duathlon, aquabike and relay options over sprint distances, with soft-style shirts, age-group awards and a $5 referral refund program.
Hartness Triathlon debuts July 11, 2026 in Greenville, South Carolina with a sprint triathlon, a team sprint relay, plus aquabike and aquathlon options; registration opens February 1, 2026.
A sprint triathlon at Howard Amon Park with a 0.5 mile river swim, 12 mile mountain-bike course including single-track, and a 3 mile run. Online registration is limited to 300 individuals and 25 teams.
A USAT-sanctioned sprint triathlon along the Bay Saint Louis waterfront with an 800-yard swim, a 15-mile bike with one turn, and a 3.1-mile run. Multiple categories include individual, age group divisions, and relay teams.
A two day triathlon event in New Town, Saint Charles with youth races and multiple adult distances including a 0.62 mile swim, 20 mile bike and 4 mile run for the long course. An open water swim series precedes the event.
A 10K run-paddle-run duathlon at Henry Horton State Park on July 11, 2026, combining a 1.5-mile greenway run, a 2-mile paddle on the Duck River, and a final 2.5-mile run; life jackets are required and aid stations are at river accesses.
A trail duathlon in Pagosa Springs on July 11, 2026, with three formats ranging from a kids run-bike to a 7 mile run with a 15 mile mountain bike. Fees include a race shirt, food, and awards, and proceeds support a local nonprofit.
Wet Dog Triathlon at Point Mallard Park in Decatur, Alabama is a sprint triathlon with a 400 meter swim, 15 km bike and 5 km run along the Tennessee River. The event supports local charities and is part of a summer series.
A new IRONMAN 5150 event in Ruidoso on July 11, 2026, featuring a swim in Grindstone Lake, a rolling mountain bike course and a run through village streets and scenic trails. The race takes place in a mountain setting near Sierra Blanca.
A sprint multisport event in Columbus, GA on July 11, 2026 featuring a 500 m downstream swim, a 12 mile bike on the Riverwalk, and a flat 5 km run, plus a duathlon and a floatie division with awards by age and overall.
Multi-distance triathlon event at Rancho Seco Park with USAT sanctioning for select races, on-site aid stations, transition rules, and series awards plus a raffle for series finishers.
A sprint triathlon at Hopkins Vineyard in New Preston, Connecticut on July 11, 2026, featuring swim and bike segments around Lake Waramaug. Entry categories include individual USAT member and non member options and a relay team category.
Experience a USAT sanctioned sprint triathlon at Lake Pennesseewassee Park. This event features a 750 meter swim, a 20 km bike ride, and a 5 km run for individuals and relay teams.
A multi-format triathlon on July 11, 2026 at Henderson Harbor Boat Launch Road featuring sprint, relay, aqua-bike, and bike-run options. Early registrants are guaranteed shirt sizes and the first 150 registrants receive the event race shirt.
A mountain-course triathlon and duathlon at Little Campbell Lake offering one- and two-lap formats. The lap includes a 500 yard swim, a 9 mile mountain bike and a 2.2 mile trail run, with team entries limited to the long course.
A sprint triathlon on July 11, 2026 in Downtown New Baltimore featuring a 1/2 mile swim, 11 mile bike and 3 mile run. Individual and relay entries compete across standard age divisions with timed results posted online.