Get ready for an exhilarating day at the 27th annual Ballwin Triathlon, taking place on Sunday, July 19, 2026, in the beautiful city of Ballwin, St. Louis! This USAT sanctioned event features an exciting course that includes a 300-yard pool swim, a 9-mile bike ride, and a 3.4-mile run, making it a fantastic challenge for both seasoned triathletes and newcomers alike.

The Ballwin Triathlon is known for its vibrant atmosphere and attracts participants from all around, often reaching full capacity—so be sure to secure your spot early! For those seeking an extra challenge, this year introduces the Double Triathlon, where athletes will complete the course twice, including an exhilarating lap around North Pointe’s lazy river. Don't miss out on this incredible opportunity to test your limits and enjoy a day of fitness and fun in the heart of Ballwin! For more details on race options, course maps, and event schedules, please visit the official event website.