Sigurd Mathisen (26 April 1883 – 4 March 1919) was a Norwegian speed skater, world champion and world record holder over 500 m. He was an older brother of Oscar Mathisen.
Mathisen won a gold medal at the 1904 World Allround Championships, where he won the 1500 m (shared), 5000 m and 10,000 m races.[1] All distances were originally won by Peter Sinnerud, but he was later disqualified for professionalism, and Mathisen was declared world champion.
He died of the Spanish flu.[2]
In 1908 Sigurd Mathisen improved the world record on 500 m to 44.4 seconds (sharing the record with Johan Vikander).[3] The record was beaten in 1912 by Oscar Mathisen.
Source: SpeedSkatingStats.com[4]
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