In 1960 Hilhorst helped to organize an intermediate baseball team in Glenboro. He played with the team until 1967. In 1966 he served as the President of the South Central Intermediate Baseball League. After moving to Killarney he played for the Killarney Shamrocks from 1968-1982. After his playing days ended he coached and managed teams in Killarney minor baseball from 1983 until 1987. In 1984 he coached the Killarney Midgets to a Provincial ‘B’ Championship. He also served on the committee to re-organize intermediate baseball in Killarney, and became the general manager for newly formed Killarney Lakers from 1988-1989. He continues to serve as coach and field manager. He chaired committee to build a new baseball facility in Killarney. He also served as the chairman on the committee that brought the Western Canadian Intermediate ‘A’ Championships to Killarney in 1998. While serving as a field manager he won numerous championships; Border West All-stars Provincial champs in 1994 and 2000, Killarney Lakers west division champs 1998, Killarney Lakers league champs in 2000. In 2001 he was elected to the Baseball Manitoba Honour Society. He was also awarded the Ab Richardson Award for Sportsmanship and Dedication to Baseball in 2004 and received the M.S.B.L. Manager of the Year Award in 2005.