[4] At the 2019 Australian Championships, he took home five medals at the national champs and broke an INAS world record for the 50m freestyle.
[4] His time of 1:02.03 in the 100m backstroke resulted in him on making his maiden Australian team for the 2019 World Para Swimming Championships.
[4] At the 2019 World Para Swimming Championships, London, he was a member of the Australian team that won the bronze medal in the Mixed 4 × 100 m Freestyle Relay S14.
[2] At the 2020 Tokyo Paralympics, Betar teamed up with Madeleine McTernan, Ruby Storm, and Benjamin Hance in the Mixed 4 x 100 m freestyle S14.
[5] They won the silver medal with a time of 3:46.38, just under 6 seconds behind the winners, Great Britain, who set a world record.