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.

International championships

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. 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.

Records

World record

In 1908 Sigurd Mathisen improved the world record on 500 m to 44.4 seconds (sharing the record with Johan Vikander). The record was beaten in 1912 by Oscar Mathisen. Source: SpeedSkatingStats.com

Personal records