Thunder in the Valley

Thunder in the Valley is a celebrated triathlon event taking place in Terre Haute, Indiana, marking its 40th anniversary in 2025. The event features a Sprint Triathlon, which includes a 500-meter swim, a 20K bike ride, and a 5K run, as well as a Duathlon consisting of a 1.6K run, followed by the bike and run segments. Participants can expect high-quality swag, including custom finisher medals, race bibs, swim caps, and a retro t-shirt.

The race is set in the scenic Hawthorne Park, providing a competitive yet welcoming atmosphere for both beginners and experienced athletes. Visit the organization's website for the most recent information.