CALEDONIA — For 20-year-old Mary Ratchford, May 29, 2025 will be a night she’ll never forget. At Canada’s top harness racing venue, Woodbine Mohawk Park, the young Caledonia trainer made her Ontario Sires Stakes (OSS) Gold debut – and walked away a winner. WOODBINE MOHAWK PARK—Above, members of the Ratchford family (l-r) Brooks Ratchford, his grandmother Jean MacDonell, Ritchie Rich,…