|Budapest 2019 FINA World Junior Championships||—||1||1||3|
- At the Budapest 2019 FINA World Junior Championships, Knox earned silver in the men’s 200-m individual medley. His performance was the second-fastest 200-m individual medley ever by a Canadian. He was also a member of the men’s 4×100-m medley team that brought home bronze.
- 2020 ISL team: Toronto Titans
- Knox broke a 10-year-old Canadian record at ISL 2020 in the 100-m individual medley. He also lowered his Canadian record in the 200-m individual medley.
- 2019 ISL team: London Roar
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