Marathon Bath Systems Walk In Shower Installation & Bathroom Remodel in Allen Park, MI Allen Park's trusted bathroom remodeling experts. We convert tubs to walk in showers and handle complete bathroom renovations. Call for your free consultation. Phone: 734 858 0804 Address: Allen Park, MI 48101, USA Website: https://www.marathonbathsystems.com/ GMB: https://share.... https://www.marathonbathsystems.com/