Hill County, TX Events Event Categories Festivals Get Togethers Triathlons Hill County Event OutlookApril 19, 2025 Tri Hillsboro Triathlon - HillsboroSeptember 13, 2025 Annual Pioneer Days Festival - WhitneyOctober 18, 2025 Handshakes and Hammers Hoedown - Hillsboro View our full calendar of events