Antigo, Wis. ~ AMSOIL Championship Off-Road, presented by the U.S. Air Force, kicked off its 2023 schedule in Antigo, Wis., on Saturday with clear skies and captivating racing across all 18 classes. The season opener featured 287 entries for the Antigo Off-Road National, the first of seven weekends and 14 rounds of short-course action in 2023. Rain soaked the horseshoe-shaped track …
