Parker Retzlaff is an American professional stock car racing driver competing full-time in the NASCAR O’Reilly Auto Parts Series. Born in Rhinelander, Wisconsin in 2003, he progressed through Wisconsin’s regional racing circuits—including Bandolero and ARCA Midwest Tour competition—before reaching NASCAR’s national series. This tag page collects news, race results, and career updates covering his full-time Xfinity Series campaigns with Jordan Anderson Racing and Alpha Prime Racing, his first two career poles at Richmond and Martinsville, his seventh-place Cup finish at Daytona, and his upcoming 2026 season driving the No. 99 Chevrolet Camaro SS for Viking Motorsports.