He finished tied for 3rd in the 1948 Open Championship and was on the 1951 Ryder Cup team, although he did not play in any matches.

Hargreaves was assistant professional at Knott End before moving to nearby Fleetwood Golf Club.

Shortly after the Open he played well in the Daily Mirror Assistants' Tournament and, with rounds of 73 and 68, he led after the first day.

Rounds of 73 and 71 left him tied for the lead with Bill Laidlaw and four strokes ahead of the rest of the field.

[4] In 1939 Hargreaves reached the final of the Yorkshire Evening News Tournament at Temple Newsam.