His athletic ability as a line-out forward made an ever-present and important member of the forward pack during this golden period. Allan Martin won 34 caps 1973–1981, Wales Tour to Canada 1973, Wales Tour to Hong Kong and Japan 1975, and Wales Tour to Australia 1978; grand slams 1976 and 1978; triple crowns 1976, 1977, 1978 and 1979; club and international tours abroad – Aberavon RFC – 700 appearances 1966–1991, Barbarians FC Tour to the US and Canada 1976, Surrey County RFC Tour to South Africa 1979,Llanelli RFC Tour to South Africa 1979, World XV vs. South Africa 1982, Crawshays to South Africa 1985,Bermuda World Rugby Classic – Organiser/Manager/Player, Wales Classic XV Tour to Bermuda 1987–1993, Barbarians Classic XV Tour to Bermuda 1994–2000, Classic Lions Tour to Japan 2001, and Lions Classic XV Tour to Bermuda 2001–2011.
As a dominant force in the forward pack during this successful era, Allan Martin's athletic ability made him an indispensable member. He played for Wales from 1973 to 1981, participated in numerous tours, achieved grand slams in 1976 and 1978, won triple crowns in 1976, 1977, 1978, and 1979, and logged extensive appearances with clubs and international teams abroad.