The world record progression 500 m speed skating men as recognised by the International Skating Union:
Alfred Næss in 1954
Clas Thunberg
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Arnold Clas Robert Thunberg was a Finnish speed skater who won five Olympic gold medals – three at the inaugural Winter Olympics held in Chamonix in 1924 and two at the 1928 Winter Olympics held in St
World record progression 500 m speed skating men
…Mathisen 43.7 10 January 1914 Kristiania Oscar Mathisen 43.4 17 January 1914 Davos Roald Larsen 43.1 4 February 1928 Davos World Allround Championships Clas Thunberg 42.8 19 January 1929 Davos European Championships Clas Thunberg 42.6 13 January 1931 St. Moritz Hans Engnestangen 42.5 21 January 1933 Davos Allan Potts…
Clas Thunberg signed