The 2025 AMSOIL Championship Off-Road Tour is gearing up for what promises to be the most thrilling season in its six-year history. With an expanded lineup of action-packed races, the world's greatest off-road racers are coming to Dirt City Off-Road Motorplex. July 26th and 27th for the Dirt City Off-Road National in Lena, WI. Dirt City Motorplex in Lena, WI, has become a hallmark of off-road racing.  The one-mile-long short-course layout consistently brings out some of the closest wheel-to-wheel competition on the AMSOIL Championship Off-Road Tour. Since its inception in 2019 it has rapidly gained popularity among fans and has become an integral part of the community.The town of Lena welcomes racers and their vehicles to Thunder on Main, a “meet and greet” right on Main Street Friday night. The night is filled with hundreds of racers and thousands of fans coming together for an unforgettable experience of autographs, photos, and fun.With a commitment to providing exceptional door to door racing, Dirt City continues to be a cornerstone of the off-road community.