Triathlon Calendar United States 2025-2026

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Explore the best triathlons in the United States for 2025-2026! Our updated list features 616 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2025
May
11
Sunday

Nashville Women's Triathlon

Triathlon
The Publix Nashville Women's Triathlon is an empowering event scheduled for May 11, 2025, in Nashville, TN. This triathlon features various race formats, including Super Sprint and Sprint distances, a..
May
11
Sunday

Mighty Mother's Day Duathlon

Duathlon
The Mighty Mother's Day Duathlon is a popular multi-sport event held in East Islip, NY, celebrating Mother's Day. Scheduled for May 11, 2025, it features various competitions including an Individual T..
May
11
Sunday

Coffman YMCA Triathlon

Triathlon
The Coffman YMCA Sprint Triathlon is an exciting event taking place in Springboro, Ohio, designed for both novice and experienced triathletes. Participants will start with a 300-yard serpentine swim i..
May
16-18
Fr - Su

Xterra North American Championship

Cross Triathlon
The XTERRA North American Championship is a premier off-road triathlon event taking place in Pelham, Alabama, from May 16-18, 2025. This championship is part of the XTERRA World Tour and features a va..
May
17
Saturday

Woman of Steel Triathlon

Triathlon
The Woman of Steel Triathlon is Utah's premier all-women's triathlon and 5K run, taking place in American Fork. This empowering event features a 300-meter swim, a 13-mile bike ride, and a 5K run, cele..
May
17
Saturday

Root River Triathlon

Triathlon
The Root River Triathlon is a unique non-swimming triathlon set in the scenic Bluff Country of Houston, Minnesota. Scheduled for May 17, 2025, the event features a 6.8-mile paddle (kayak or canoe), a..
May
17
Saturday

She Tris Sprint Triathlon

Triathlon
The She Tris Sprint Triathlon, hosted by the I'On Club in Mount Pleasant, SC, is an empowering event designed exclusively for women of all skill levels. Scheduled for May 17, 2025, participants can ch..
May
17
Saturday

Dickson Endurance Triathlon

Triathlon
The Dickson Endurance, Olympic and Iron Nugget Sprint Triathlon takes place at Montgomery Bell State Park in Burns, TN. Scheduled for May 17, 2025, the event features various race formats, including t..
May
17
Saturday

HarryMan Triathlon

Triathlon
The HarryMan Triathlon is a premier endurance event taking place in Stony Point, NY, featuring both "Half" Ironman and Olympic distance races. This triathlon is known for its challenging early-season..
May
17
Saturday

IRONKnights Triathlon

Triathlon
The North Penn IRONKnights Triathlon is an annual event designed specifically for North Penn Elementary students, featuring various race divisions based on grade levels from K to 6. Participants compe..
May
17-18
Sa - Su

French Creek Trifest Triathlon

Triathlon
The 2025 French Creek TriFest, taking place at French Creek State Park in Elverson, PA, features a variety of events from May 17 to May 18, 2025. Participants can choose from an Olympic Triathlon, Spr..
May
17
Saturday

QCKG Tri-It Triathlon

Triathlon
The QCKG Tri-It Mini Triathlon is an exciting annual event taking place in Colona, Illinois. Participants will engage in a fun and family-friendly course that includes a 10K kayak, a 10-mile bike ride..
May
17-18
Sa - Su

Mighty Moraine Spring Multi-Sport Festival

Triathlon
The Mighty Moraine Spring Multi-Sport Festival is set to take place on May 17-18, 2025, at Moraine State Park in Portersville, PA. This exciting event features a variety of races, including Olympic an..
May
17-18
Sa - Su

Lago Mar Multisport Festival

Triathlon
The Lago Mar MultiSport Festival, taking place in Texas City, TX, features a variety of exciting events over two days, from May 17 to May 18, 2025. Participants can choose from a 5K run, youth triathl..
May
17
Saturday

White Deer Triathlon

Triathlon
The White Deer Triathlon, scheduled for May 17, 2025, in Boulder Junction, WI, features a unique combination of events including a 3-kilometer paddle on Boulder Lake, a 22-kilometer bike ride on sceni..
May
17
Saturday

Glimmerglass Triathlon

Triathlon
The Glimmerglass Triathlon, set in Cooperstown, NY, is an exciting multi-sport event that features a 1.5-mile open water paddle, an 18-mile bike ride, and a 10K run. Participants will start by paddlin..
May
17
Saturday

PVFD Cheat River Triathlon

Triathlon
The PVFD Cheat River Triathlon, scheduled for May 17, 2025, in Parsons, West Virginia, features a variety of events including a solo triathlon, 2-person and 3-person relays, a timed 5K run, and a non-..
May
18
Sunday

Cal Tri Richmond

Triathlon
The 2025 Cal Tri Richmond is a multi-sport event taking place at Lake Anna State Park in Spotsylvania Courthouse, Virginia. This event features a variety of competitions, including Sprint and Olympic..
May
18
Sunday

Genesis Race

Triathlon
The Genesis Race, scheduled for May 18, 2025, in Shelby Township, MI, features a variety of competitive events including Olympic and Sprint Triathlons, Super Sprint Triathlon, Duathlon, and Aquabike o..
May
18
Sunday

Ironman 70.3 Chattanooga

Triathlon
The IRONMAN 70.3 Chattanooga is a premier triathlon event set in the scenic city of Chattanooga, Tennessee. Athletes will experience a picturesque course that includes a swim in the Tennessee River, a..
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