Career
Hilsum was a right-handed batsman who bowled Legal break. Hilsum made a single List-A appearance for the Hampshire Cricket Board in the 2000 National Westminster Trophy against the Huntingdonshire. In 2002 Hilsum made his first-class debut for Oxford University, where he played two matches against Northamptonshire and Gloucestershire.
Hilsum also played six Second Eleven Championship matches for the Hampshire Second XI between 1999 and 2003.
He represented Hampshire 1st XI in one game against Loughborough University.