|Gwangju 2019 FINA World Championships||—||—||—||—|
|Tokyo 2018 Pan Pacific Championships||—||—||—||2|
|Gold Coast 2018 Commonwealth Games||—||—||—||2|
- At the Gwangju 2019 FINA World Championships, Binnema finished 24th in 100-m butterfly.
- At the 2019 Canadian Swimming Trials, Binnema won gold in the 100-m butterfly, qualifying him for his second FINA World Championships.
- At the 2018 Pan Pacific Championships, Binnema was a member of the mixed 4×100-m medley and men’s 4×100-m medley relay that finished fourth and fifth. Individually, he finished 11th in the 100-m butterfly.
- Binnema finished fifth in the 100-m butterfly at the 2018 Commonwealth Games. He was also a member of the 4×100-m medley relay team that finished fifth.
- At the 2018 Canadian Swimming Trials, Binnema won gold in the 100-m butterfly, which qualified him for the 2018 Pan Pacific Championships in Tokyo.
- At the 2017 Canadian Swimming Trials, Josiah Binnema made his first World Championship and FISU Universiade teams by winning a gold medal in the 100-m butterfly. He also earned a silver medal in the 50-m butterfly, both in personal best times.
- At the 2017 FINA World Championships in Budapest, his best result was 34th in the 100 fly. He went on to finish 16th in the 100 fly at the Universiade in Taipei.
- At the 2016 Canadian Swimming Championships, he brought home a bronze medal in the 100-m butterfly and a gold medal where he swam the butterfly lap in the 4×100-m medley relay.
- In 2015, Binnema swam the 50-m butterfly (18th) and the 100-m butterfly (11th) at the FINA World Junior Championships in Singapore. At the same event, he swam the butterfly lap in the 4×100-m medley where they finished 6th.
- Favourite Book: Eragon
- Favourite TV Show: Breaking Bad
- Other Sport: Rowing
- Guilty Pleasure: Lemon Meringue Pie
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