RHC Lawrence-Strom (RHC) partners with Audi of America, Kettler Motor Werks and GMG Racing to field the first female-only driver lineup in IMSA Continental Tire SportsCar Challenge history. Gosia Rdest and Ashley Freiberg will drive the No. 50 Audi R8 LMS GT4 supported by RHC, GMG and Audi Sport customer racing.