John MacIsaac

John V. MacIsaac (born 6 June 1937) is a former track and field athlete from Scotland who competed at the 1958 British Empire and Commonwealth Games (now Commonwealth Games).

Biography MacIsaac was a member of the Victoria Park Amateur Athletic Club.

In February 1958 he was named by the Scottish AAA in the 'possibles list' for the forthcoming Commonwealth and Empire Games and defeated Donald McDonald in the 440 yards at the 1958 Western District Championships. at the 1958 British Empire Games in Cardiff, Wales, participating in two events, the 440 yards and the 4 × 440 yards relay, with Ronnie Thomson, Jim Paterson and Donald MacDonald.

MacIsaac won a gold medal with the Great Britain 4 × 400 metres relay team at the 1958 European Athletics Championships, with John Salisbury, John Wrighton and Ted Sampson.