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Thunder in the Valley
Saturday, May 9, 2026 · Terre Haute, United States
Distances
25.8km
Start location
6067 East Old Maple Avenue
Terre Haute, IN
About this race
Swim in Hawthorn Lake, then bike a fast course with rolling hills. The run is shaded and flat. This race is for new or seasoned triathletes seeking their first event of the season. Swag includes custom die cast finisher medals and a t-shirt. Thunder in the Valley has kicked off the season for 41 years.