United States
-
Alabama12
-
Alaska11
-
Arizona12
-
Arkansas3
-
California45
-
Colorado10
-
Connecticut8
-
Delaware3
-
District of Columbia
-
Florida53
-
Georgia15
-
Hawaii
-
Idaho13
-
Illinois26
-
Indiana26
-
Iowa10
-
Kansas5
-
Kentucky10
-
Louisiana5
-
Maine7
-
Maryland18
-
Massachusetts16
-
Michigan29
-
Minnesota13
-
Mississippi5
-
Missouri10
-
Montana10
-
Nebraska5
-
Nevada
-
New Hampshire2
-
New Jersey28
-
New Mexico3
-
New York67
-
North Carolina31
-
North Dakota1
-
Ohio19
-
Oklahoma8
-
Oregon12
-
Pennsylvania24
-
Puerto Rico1
-
Rhode Island2
-
South Carolina16
-
South Dakota
-
Tennessee22
-
Texas55
-
Utah16
-
Vermont1
-
Virginia34
-
Washington22
-
West Virginia7
-
Wisconsin28
-
Wyoming3
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 777 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
Pioneer Spirit Triathlon in Petersburg IL features Mini, Sprint and a back to back Tri Challenge with swims in a heated indoor pool and scenic bike and run routes through historic streets. In person and virtual 5k options welcome beginners.
A weekend triathlon at South Davis Recreation Center in Bountiful, UT offering sprint, novice and relay formats with a pre-race clinic and family-friendly venue.
SPA GIRL TRI San Antonio on May 9, 2026 at JW Marriott Resort and Spa offers sprint to super sprint and relay options, with swims in the lazy river and scenic bike and run courses. Finish with chilled mimosas and post race resort vibes.
Cedar River Triathlon at Lake Wilderness offers a super sprint and kids Splash n Dash. It features a quarter mile swim and a scenic 14 mile bike and run on the Cedar River Trail, with a long sleeve tee and forged finisher medallion.
Celebrate Mother's Day in East Islip with the Mighty Mother's Day Du and Time Trial, featuring duathlons, relays and youth races. Flat three lap bike, short grass and dirt runs, free pro photos and finish line treats.
Join the JerseyMan Triathlon on Sunday, May 10, 2026 at Round Valley in Lebanon, NJ for long and short triathlon courses plus duathlon and aqua bike options. Enjoy a scenic open water swim practice and competitive age group and elite awards.
XTERRA North American Championship at Oak Mountain State Park in Pelham, Alabama from May 15 to 17, 2026. Off road triathlon racing, a World Cup stop, youth championships and a festival with live music, food trucks and beer gardens.
Join Utah's first women only triathlon and 5K in American Fork on May 16, featuring a pool swim, scenic bike course and a lively 5K finish. Celebrate with finisher medals, boutique vendors, raffle prizes and a festive post race party.
Join She Tris at I'On Club in Mount Pleasant on May 16, 2026 for an empowering all women sprint tri with a pool swim and scenic bike and run routes. Enjoy clinics, a finisher keepsake and a lively finish line party.
Kids from North Penn elementary schools take on the 13th annual IRONKnights Triathlon in Lansdale on May 16, 2026, with a rain date of May 17. Young athletes 4 to 14 will swim, bike and run for trophies and an IRONKnight tee.
Mighty Moraine Spring Multi Sport Festival hits Moraine State Park May 16 and 17, 2026 with Olympic, sprint, super sprint and youth triathlon and aqua bike races for solo racers and relays. Add a Mighty Double bundle for both days.
Push your limits at the New River Rush Adventure Race, a 15 hour team or solo challenge through New River Gorge with guided whitewater, mountain biking, single track trails and orienteering. USARA sanctioned with a redesigned course for 2026.
New for 2026, the Fall Creek Falls Spring Sprint Triathlon in Spencer Tennessee offers a fast 500 meter swim, 14 mile bike and 5k run for solo racers, relays and aquabike teams. Scenic state park setting and USA Triathlon sanctioned racing.
Celebrate a multi event weekend at scenic French Creek State Park on May 16 and 17 with triathlon, duathlon, SwimFest, SwimRun and adult and youth Splash and Dash. Age group awards and a hot buffet add to the fun for athletes and families.
Join the Fishers Sprint Triathlon at Geist Waterfront Park for a fast swim bike run with duathlon aquabike and team relay options. Scenic waterfront course and post race awards make it ideal for newcomers and seasoned racers.
Join Pace and Pedal on May 16 in Black River Falls, Wisconsin for a fun day of running, biking and color runs for all ages. Proceeds benefit Jackson In Action and options include a duathlon, 5K color run and youth mile.
A multi-format triathlon at Lake Welch Beach on May 16, 2026 offering Olympic and Half distances with individual, relay and aquabike categories, produced by Redpoint Productions.