United States
- Alabama 12
- Alaska 13
- Arizona 17
- Arkansas 7
- California 68
- Colorado 18
- Connecticut 16
- Delaware 5
- District of Columbia
- Florida 51
- Georgia 16
- Hawaii 4
- Idaho 17
- Illinois 33
- Indiana 37
- Iowa 23
- Kansas 7
- Kentucky 12
- Louisiana 9
- Maine 11
- Maryland 18
- Massachusetts 28
- Michigan 38
- Minnesota 28
- Mississippi 6
- Missouri 15
- Montana 10
- Nebraska 3
- Nevada 3
- New Hampshire 2
- New Jersey 30
- New Mexico 9
- New York 76
- North Carolina 34
- North Dakota 1
- Ohio 25
- Oklahoma 8
- Oregon 11
- Pennsylvania 33
- Puerto Rico 1
- Rhode Island 3
- South Carolina 18
- South Dakota 3
- Tennessee 26
- Texas 56
- Utah 19
- Vermont 3
- Virginia 37
- Washington 31
- West Virginia 8
- Wisconsin 34
- 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 989 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
Wildflower is a multi day festival at Lake San Antonio in Bradley, CA, May 1 to 3, 2026, that combines multiple triathlons, trail runs and an open water swim with music, food, camping and family friendly activities.
A community triathlon in Seward combining a 5K run, 10K bike and 600-yard swim, with solo and three-person team divisions. Soloists must be 13 or older; teams may include children aged 8 to 12.
Experience a fast half iron distance triathlon in the clear waters and flat roads of White Lake. This North Carolina event features professional and amateur categories on a scenic resort course.
This 6-hour sprint adventure race returns to Trap Pond State Park. Participants will bike, trek, and paddle through scenic areas of the park. It offers strategic challenges for advanced racers while being accessible to newcomers.
Pool-based sprint triathlon and duathlon at Bowdoin College in Brunswick, Maine. Distances are 525 yard swim or 2 mile run, 11.5 mile bike and 3 mile run; the event is USA Triathlon sanctioned with virtual options.
A USAT-sanctioned sprint triathlon at Wartburg College on May 2, 2026, featuring a 300 yard swim, 15 mile bike and 3.1 mile run with options for individuals and relay teams.
A sprint triathlon at Smith Mountain Lake State Park with a 750 m lake swim, a rolling 20K bike and a 5K out and back run. The event uses a time trial swim start and is USA Triathlon sanctioned.
An all female multisport event in El Paso on May 2, 2026 offering in person and virtual options, including sprint and super sprint triathlons, relays, a bike run, a 3 mile run walk, and a kids Splash & Dash.
Mission 18HR is an 18 hour adventure race at Deam Lake State Recreation Area on May 2, 2026 combining navigation, cycling, trekking and paddling. Teams of two or three or approved solo entrants score checkpoints across the course.
Sprint triathlon and duathlon on False River in New Roads, Louisiana on May 2, 2026. Distances include an 800 meter swim, 18 mile bike and 5 km run, plus a 400 meter beginner swim option and 2 or 3 person relays.
A short-distance triathlon in Kirksville combining a 150 yard swim, 9 mile bike and 2.4 mile run. Individual and relay entries are available, with relay teams using a single timing chip passed between teammates.
A 15-mile duathlon at Kiona Vineyards and Winery featuring a cross-country run, a 10-mile mountain-bike loop, and a final run; individual and two-person team divisions include a separate gravel-bike category.
An all-indoor triathlon at Campo YMCA in Valrico, FL that lets participants try swim bike run elements without outdoor cycling. Registration is open until May 1, 2026 with a $35 fee and proceeds benefit the Campo YMCA.
Adaptive swim, bike, run triathlon for neurodivergent adults aged 19 and older in Greenville on May 2, 2026. Athlete places are limited to 40 and each participant is paired with a volunteer; a $15 registration fee applies.
The Woolmarket Duathlon Series offers two hilly run-bike-run challenges in Biloxi. Choose a 5k/11-mile event in May or a 2-mile/11-mile/2-mile event in June. Awards include a dedicated mountain bike category.
A multi day adventure race in Warsaw, Missouri on May 2–3, 2026, serving as a USARA regional championship and an ARWS points race. Options include 2 hour, 6 hour and 24 hour courses with biking, trekking and paddling.
Swim in a rare circular lake and cycle through the rolling hills of Florida during this scenic sprint triathlon. Proceeds benefit local non profits and the event concludes with a celebration in the historic district.
A triathlon on May 2, 2026 at the All Seasons Center in Sioux Center, IA, with a pool swim and indoor transition area. Individual and team entries are available with early and late registration fees; shirts guaranteed if registered by April 18.
Los Dos Indoor Duathalon is a two day indoor cycling and running challenge at Inwood Athletic Club. Athletes cycle for 20 minutes, transition, then run or walk for 30 minutes with distances recorded for awards.
Cinco Du Miles on May 2, 2026 offers multi sport and running options including Run Bike Run, Bike Run Bike, 5K and 10K, with finisher medals, photos and post race food. Location is TBD and roads will remain open to traffic.