|Born||28 April 1995|
|Height||1.75 m (5 ft 9 in)|
|Weight||67 kg (148 lb)|
|Achievements and titles|
|Highest world ranking||No. 46 (5000 & 10000 m)|
Williamson made his World Cup debut in November 2013. As of September 2014, Williamson's best World Cup finish is 11th, in a 5000 m B race in 2013–14. His best overall finish in the World Cup is 46th, in the 2013–14 5000 and 10000 m.