Funeral services for Mark J. Drost, 64, of Tracy, will be held Tuesday, August 16, 2022 at 10:30 am at the Tracy Christian Reformed Church in Tracy. Interment will follow in the Bellefountaine Cemetery in Tracy. Visitation will begin Monday at 1:00 pm at Williams Funeral Home in Knoxville with the family present from 4:00 to 7:00 pm. Memorial contributions may be given for the Mark J. Drost Memorial Fund to be designated for Marion County 4-H. Williams Funeral Home in Knoxville is in charge of the arrangements.