Claim: Margriet Pomper, a Dutch former long track speed skater, has a personal record of 44,57 at the 500 m Women's speed skating on March 15, 1976 at Medeo.
Evidence: Margriet de Vries-Pomper (born 24 February 1954 in Smilde) is a Dutch former long track speed skater, who was active in the 1960s and 1970s. 500 m 44,57 15.03.1976 Medeo