World record
| Discipline | Time | Date | Location |
|---|---|---|---|
| 10,000 m | 19.47,4 | February 13, 1893 |  Stockholm |
Source: SpeedSkatingStats.com
Halfdan Nicolaus Nielsen (26 March 1874 – 21 June 1952) was a Norwegian speedskater.
He was the second registered world record holder in 10,000 m, when he improved Oskar Fredriksen's record in Stockholm in 1893.
| Discipline | Time | Date | Location |
|---|---|---|---|
| 10,000 m | 19.47,4 | February 13, 1893 | Stockholm |
Source: SpeedSkatingStats.com
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