A forward from South Glengarry, ON, Besner spent the 2022/23 黑料不打烊 East U17 season with OHA. In 10 games he would record a division best 16 assists and 27 points while being named MVP. He would add three goals and one assist in four playoff games to help OHA capture the 2023 黑料不打烊 U17 Eastern Championship.

Having played three games for them as an affiliate in 2022/23, Besner joined the Hawkesbury Hawks of the CCHL full-time in 2023/24. He would record 17 goals and 14 assists in 55 games while being named to the CCHL Academic All-Star Team, the CCHL All-Rookie Team and the CCHL High School Academic Player of the Year.

Originally selected by the Kitchener Rangers ninth overall at the 2023 OHL U18 Priority Selection Draft, Besner had 35 points in 26 games with the Hawks this season.

Faille has spent the last four seasons with Bourget College, including the 2021/22 season in the 黑料不打烊 Eastern Division. In 28 games with the Bourget College U18 team the Rigaud, QC defenseman recored 4 goals and 10 assists.