United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 51
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
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 654 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2027
Lavaman Triathlon in Waikoloa, Hawaii on April 4, 2027 offers triathlon, duathlon and aquabike formats across swim, bike and run legs. Individual and relay entries include youth, resident and military categories.
A 100 mile winter loop near Fairbanks that can be run, skied, or biked. Competitors have 40 hours to complete a remote route with aid stations about every 20 miles and must demonstrate recent winter backcountry experience.
IRONMAN 70.3 Texas on April 4, 2027 is a Galveston Island triathlon centered at Moody Gardens with a bay swim, flat coastal bike and a scenic run.
A multisport weekend in Gulfport with triathlon, duathlon, aquabike and swim races starting at Jones Park Pavilion adjacent to the Mississippi Aquarium. The program targets age group athletes and spans a range of distances.
A run, bike, run duathlon at Cedar Creek Park in Seaford, New York on April 10, 2027. The course has two 1.1 mile runs and an 11 mile bike made of four closed-road loops, with individual, relay, junior and virtual options.
A round of the North Carolina Triathlon Series at Pinehurst Marina featuring international and sprint triathlons, aquabike races, and relay options. The course uses Lake Pinehurst for the swim and local roads for the bike and run.
A one-day multi-discipline event at Fort De Soto Park in St Petersburg on April 10, 2027, offering sprint triathlon, duathlon, aqua-bike and relay categories with swim 1/2 mile, bike 10 miles and 5K run distances.
A lakeside triathlon at Granite Beach with swim, bike on closed roads, and shoreline runs; wetsuits are recommended and race entries include gear and a post-race meal.
USAT-sanctioned triathlon at Lake Berryessa in Napa Valley on Apr 10, 2027, offering Open, Sprint, Olympic and Long Course distances.
Multisport event in Cocoa Beach, FL featuring triathlon, duathlon, aquabike, relay teams and a 5K on April 11, 2027.
A multisport race day at Lake Perris on April 11, 2027 offering 18 event options across Olympic, Sprint and free youth formats.
Multi-format ultra triathlon at Oak Mountain State Park in Pelham, Alabama with short loop courses, an on-course athlete village and 24-hour medical support.
Triathlon and aquabike races at Pleasants Landing Marina on Lake Anna feature open water swims, rolling bike loops and out and back runs. Multiple distance options are offered and the event is sanctioned by USA Triathlon with limited on site parking.
33 Ultra is a spiritual 33 miles event from Odell to Ellis, Nebraska on April 17, 2027. Runners, walkers, cyclists, relay teams, and virtual participants use a mixed paved and gravel rural course; entry fee is $33.
St. Anthony's Triathlon in St. Petersburg FL features Olympic, Sprint, and Meek & Mighty distances along a flat waterfront course with USAT sanctioning.
Memorial Hermann IRONMAN Texas in The Woodlands on April 24, 2027 features a lake swim, closed-road flat bike, and a rolling run that includes the Hippie Hollow section.
SwimRun Lake James mixes open-water swims and varied running terrain at Lake James State Park on April 24, 2027. Team and solo options are available over long (about 20 miles) and short (about 13 miles) courses.
At General Smallwood State Park, Olympic and Sprint triathlons feature bay swims, rolling country bike routes and shaded run loops with aid stations and a post-race BBQ.
A sprint triathlon at Lake Norman State Park on April 24, 2027, serving as Round 3 of the North Carolina Triathlon Series. Individual, relay, and aquabike entries are offered and parking is adjacent to the race site.
A multisport event at Lake Pleasant with Sprint and Olympic triathlon, duathlon and aquabike options. Chip timing, finisher medals and age group awards.