United States
- Alabama 11
- Alaska 6
- Arizona 18
- Arkansas 3
- California 59
- Colorado 17
- Connecticut 11
- Delaware 2
- District of Columbia
- Florida 43
- Georgia 11
- Hawaii 3
- Idaho 14
- Illinois 23
- Indiana 19
- Iowa 18
- Kansas 9
- Kentucky 12
- Louisiana 6
- Maine 7
- Maryland 15
- Massachusetts 18
- Michigan 25
- Minnesota 22
- Mississippi 6
- Missouri 5
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 18
- New Mexico 4
- New York 48
- North Carolina 30
- North Dakota
- Ohio 20
- Oklahoma 5
- Oregon 7
- Pennsylvania 21
- Puerto Rico 2
- Rhode Island 2
- South Carolina 11
- South Dakota 3
- Tennessee 16
- Texas 52
- Utah 12
- Vermont 2
- Virginia 34
- Washington 17
- West Virginia 2
- Wisconsin 24
- 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 722 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 low-key, chip timed swim-run series at Turtle Lake Park in Shoreview, MN, pairing open-water swims with a 3.1 mile run across five summer dates. Flexible entry allows single events, multiple dates, or the full series as individual or relay.
A youth triathlon at Northwestern Medicine Delnor Fitness and Health Center featuring pool swims and trail runs for ages 6 to 17, chip timing, finisher medals, and a required USAT license.
A midweek sprint event offering a sprint triathlon and a duathlon with short swim, bike and run legs. Finishers receive a custom medal and postrace food and are eligible for awards.
A community triathlon at Cedar Lake featuring sprint and super sprint distances, relay options, youth participation, and lake-side bike and run courses.
Tri Millennium is a two day multi sport event at Millennium Park in West Michigan offering Sprint and Olympic triathlon, duathlon, aquabike and youth races, with relay options, professional timing and a charity partner.
DEKA FIT in Boston is a three day indoor functional fitness event at the Thomas Michael Menino Convention and Exhibition Center. The course pairs ten fitness zones with 5 km of running and features individual, ruck, team heats and an Ultra option.
IRONMAN 70.3 Boise on July 25, 2026 in Boise, Idaho combines a swim in the Boise River and Lucky Peak Reservoir, a hilly bike through nearby foothills and a flat run along the greenbelt. The race is a World Championship qualifier.
A multidistance triathlon in Oconomowoc, Wisconsin on July 25, 2026 featuring a swim in Lac La Belle, a bike through glacial countryside, and a run through downtown. Sprint, Olympic, Half Iron and relay options are available.
A lakefront Sprint and Olympic triathlon in Guntersville Alabama with time trial swims, flat bike loops, and a paved lakeside run trail.
A multi-distance triathlon at Lake Springfield on July 25, 2026 offering sprint, Olympic and half options plus aquabike and relays. Packet pickup is the day before and the event includes race swag, awards and a post-race festival with food and music.
A patriotic themed sprint triathlon in Northwood, Iowa on July 25, 2026 offering individual and relay triathlon, aquabike, and duathlon options. Proceeds support local first responder organizations and a scholarship.
A memorial event in Virginia Beach featuring a Run-Swim-Run, a boardwalk 5K out-and-back, and a 1 mile kids run, with courses based at the 31st Street arch and proceeds benefiting local rescue and Navy SEAL charities.
A multisport race day at Laurel Lake, Millville, NJ featuring triathlon, duathlon, aquabike, aquathlon, super sprint, and relay options, with defined swim, bike, and run distances and USAT membership and ID requirements for multisport entrants.
A pool sprint triathlon in Oak Ridge on July 25, 2026 combining a 500 meter swim, a 15 mile bike and a 5K run. Divisions include Athena, Clydesdale, mixed relay and aquabike with a stated no refund policy.
A 24 hour team adventure race in the Adirondack Mountains near Elizabethtown, NY, combining single track mountain biking, navigation, and packrafting. Teams of two to four only; boats must be provided by teams.
A paddle triathlon on July 25, 2026 offering solo tandem and relay classes, staggered paddle starts every 30 seconds, a mixed trail and road run, and an after party at the Hayward Curling Club with proceeds benefiting the club.
A multi-event day at Lewis & Clark Lake and Main Street Crofton featuring kayak-run-bike triathlons, a half marathon and a 12 mile bike ride. Participants must be 14 or older and must wear helmets and life jackets.
A multi-format triathlon at Mountain Run Lake Park in Culpeper, VA, offering Olympic and Sprint distances, aquabike options, and 2-3 person relays, with lake swims and rolling bike and run courses framed by Blue Ridge views.
A triathlon in Merrill featuring a 2 mile paddle, a 17.5 mile bike, and a 5K run through local parks. Multiple divisions include solo, 19U, relay, tandem, and eBike, with awards for top finishers and community beneficiaries.
A lakeside race in Shell Lake, Wisconsin featuring concurrent sprint triathlon and duathlon formats around a 2,600-acre lake, with individual and team entries and medals for all participants.