Willy "Wil" Hamerslag, often only referred to only by her surname Hamerslag (born 1900s) was a Dutch athletics competitor in the 1920s, specialized in the high jump and long jump. She was a member of Hygiëa, The Hague.
|Sport||Track and field athletics|
|Club||Hygiëa, The Hague|
Hamerslag won multiple medals at national championships. She became 1925 national champion in the long jump with 4.885 metres. At the same championships she finished second in the athletics’ triathlon and third in the high jump.
- "Kampioenschappen K.N.G.V." De avondpost (in Dutch). 19 September 1926. Retrieved 20 June 2022 – via Delpher.
- "Verenigingen Periode tot 1945". atletiekhistorici.nl (in Dutch). Archived from the original on 15 May 2022. Retrieved 29 June 2022.
- "De record-wedstrijden van Te Werve". Delftsche courant (in Dutch). 6 September 1927. Retrieved 20 June 2022 – via Delpher.
- "De nationale atletiek-kampioenschappen te Haarlem". Haagsche courant (in Dutch). 8 August 1927. Retrieved 20 June 2022 – via Delpher.