Kevin Harkin played in Hull FC's 8–23 defeat by Widnes the Premiership Final during the 1981–82 season at Headingley Rugby Stadium, Leeds on Saturday 15 May 1982, in front of a crowd of 12,100.
He played stand-off (replaced by substitute Terry Day, following a collision with Featherstone Rovers' Terry Hudson) in the 12–14 defeat by Featherstone Rovers in the 1983 Challenge Cup Final during the 1982–83 season at Wembley Stadium, London on Saturday 7 May 1983, in front of a crowd of 84,969.
[4] Kevin Harkin played scrum-half in Hull FC's 18–7 victory over Bradford Northern in the 1982 Yorkshire Cup Final during the 1982–83 season at Elland Road, Leeds on Saturday 2 October 1982.
Kevin Harkin played scrum-half in Wakefield Trinity's 11–22 defeat by Halifax in the 1971–72 Players No.6 Trophy Final during the 1971–72 season at Odsal Stadium, Bradford on Saturday 22 January 1972, in front of a crowd of 7,975, and played as a substitute (replacing scrum-half Tony Dean) in Hull FC's 12–4 victory over Hull Kingston Rovers in the 1981–82 John Player Trophy Final during the 1981–82 season at Headingley, Leeds on Saturday 23 January 1982.
[5][6] Kevin Harkin was the Landlord of The Weavers Arms, 33 Storrs Hill Road, Ossett, Wakefield.