Career
International honours County Honours Challenge Cup final appearances Len Marson played hooker in Wakefield Trinity"s 13-12 victory over Wigan in the 1946 Challenge Cup final during the 1945-1946 season at Wembley Stadium, London on Saturday 4 May 1946. County Cup final appearances Len Marson played loose forward/lock in Wakefield Trinity"s 9-12 defeat by Featherstone Rovers in the 1940 Yorkshire Cup final during the 1939-1940 season at Odsal Stadium, Bradford on Saturday 22 June 1940, played hooker in the 2-5 defeat by Bradford Northern in the 1945 Yorkshire Cup final during the 1945-1946 season at Thrum Hall, Halifax on Saturday 3 November 1945, played hooker in the 10-0 victory over Hull in the 1946 Yorkshire Cup final during the 1946-1947 season at Headingley Stadium, Leeds on Saturday 31 November 1946, played hooker in the 7-7 draw with Leeds in the 1947 Yorkshire Cup final during the 1947-1948 Northern season at Fartown Ground, Huddersfield on Saturday 1 November 1947, and played hooker, and scored a try in the 8-7 victory over Leeds in the 1947 Yorkshire Cup final replay during the 1947-1948 Northern season at Odsal Stadium, Bradford on Wednesday 5 November 1947. Club career Len Marson made his début for Wakefield Trinity on 5 November 1939.
Testimonial match Len Marson"s Testimonial match at Wakefield Trinity took place in 1951.
"Joined Wakefield Trinity 1939 from Fitzwilliam Intermediates and played in various pack positions before taking over the hooking berth from Victor "Vic" Darlison. Gained Yorkshire County honours and was considered by many to be most unfortunate in not making at least one tour to Australia".
Len Marson"s marriage to Maud Hepton was registered during October→December 1939 in Hemsworth district They had children. Stewart L. Marson (birth registered during April→June 1942 (age 73–74) in Hemsworth district), Maureen Marson (birth registered during January→March 1948 (age 67–68) in Hemsworth district), and David Marson (birth registered during April→June 1956 (age 59–60) in Lower Agbrigg district).