[2] At the 2003 International Racquetball Federation (IRF) World Junior Championships, Landeryou and Eric Desrochers finished 3rd in Boy's U18 Doubles.

Landeryou played in a Racquetball Canada National Team Selection Event for the first time in February 2004 in Victoria, British Columbia, where he defeated Eric Desrochers, 10–15, 15–11, 11–6, in the Round of 16, and then lost to Mike Green, 15–7, 15–8, in the quarterfinals.

Landeryou and Desrochers played doubles at the 2004 Nationals in Burlington, Ontario, and upset 4th seeds Vincent Gagnon and Francis Guillemette, 15–14, 15–2, in the quarterfinals before losing to eventual champions Mike Green and Tom O’Brien, 15–10, 15–9, in the semi-finals.

[4] In the 2005 National Team Selection Event in Brossard, Quebec, Landeryou again lost to Mike Green, 15–13, 15–6, in the quarterfinals, and finished 5th with a win over Francis Guillemette, 15–12, 3-15, 11–7.

[5] The 2006 National Team Selection Event was in Burnaby, British Columbia, where Landeryou was upset in the Round of 32 by Michael Burgess, 11–15, 17–15, 11–6, although he did win the consolation side to finish 17th.

[7] They lost in semi-finals to Mike Green and Brian Istace, but won the 3rd place match versus Francis Guillemette and Kris Odegard.

[16] In November 2009 in Regina, Saskatchewan, Landeryou lost to Lee Connell, 15–7, 15–2, in the quarterfinals of the first National Team Selection Event of the season.

[18] Landeryou's first international appearance with Team Canada was at the 2010 Pan Am Championships, where he won Men's Doubles with Mike Green, as they defeated Mexicans Ruben Estrada and Alejandro Landa in the final, 15–9, 12–15, 11–9.

[19] Landeryou had a breakthrough at the 2010 Nationals, as he reached the final in singles for the first time by upsetting top seed and defending champion Kris Odegard, 12–15, 15–5, 11–6, in the semi-finals.

[20] In doubles, Landeryou came 4th w/ James, losing in the semi-finals to eventual champions Green and Odegard, 15–7, 15–8, and then dropping the 3rd place match against Francis Guillemette and Corey Osborne, 15–11, 15–5.

[23] At the first National Team Selection Event of 2010–11, Landeryou lost in the semi-finals to Vincent Gagnon, 8-15, 15–13, 11–3, and then won the 3rd place match against Conrad Cole, 15–10, 15–6.

[24] Landeryou repeated those results at the second selection that season in Brossard, Québec, where he lost in the semi-finals to Gagnon, 15–9, 15–9, and then won the third place match against Kris Odegard, 8-15, 15–12, 13–11.

[25] Landeryou played Men's Singles at the 2011 Pan American Racquetball Championships, and finished 11th,[26] missing the podium for the first time internationally.

Landeryou was back on the podium in his third Team Canada appearance, when he was selected to compete at the 2011 Pan American Games in Men's Doubles with Kris Odegard.

[30] At the 2012 Pan American Racquetball Championships, Landeryou played doubles with Nathaniel Husulak, losing in the quarter finals to Mexicans Alejandro Cardona and Edson Martinez.

He followed up the win with a second at the National Team Selection Event in Brossard, Québec in February 2013 by defeating nemesis Mike Green in the final, 16–14, 8-15, 11–8.

They defeated Argentina's Daniel Maggi and Shai Mazuri in the quarterfinals, but lost to Bolivians Roland Keller and Conrado Moscoso, 15–9, 15–11, in the semi-finals, resulting in bronze medals for them.

[48] Then in early 2016, Landeryou won the 2nd National Team Selection Event in Grande Prairie, Alberta by beating Mike Green in the final, 12–15, 15–10, 11–2.

[53] He came 3rd in doubles with Eric Desrochers,[54] as they lost to Pedro Castro and Samuel Murray, 15–12, 15–12, in the semi-finals, but won the 3rd place match versus Lee Connell and Nathaniel Husulak, 15–8, 15–13.

[55] At the 2016 World Championships in Cali, Colombia, Landeryou played doubles with Mike Green, and they lost in the quarterfinals to Bolivians Kadim Carrasco and Carlos Keller, 6-15, 15–2, 11–8.

[58] Landeryou played doubles in the 2017 Pan American Championships with Pedro Castro in San José, Costa Rica, where the lost out in the quarterfinals to the Dominican Republic team of Ramon De Leon and Luis Perez, 15–6, 15–10.

[63] At the 2018 Canadian Championships, Landeryou finished 3rd in singles, as after losing to Coby Iwaasa, 15–6, 15–13, in the semi-finals, he had a walkover win against Pedro Castro for 3rd.

[64] In doubles, he partnered with brother James Landeryou, and they lost to eventual champions Coby Iwaasa and Samuel Murray, 15–13, 15–10, in the semi-finals, and finished 3rd by defeating Lee Connell and Trevor Webb, 15–3, 15–12.

[65] Landeryou played Men's Doubles with Samuel Murray at the 2018 World Championships, and they earned bronze medals, as they defeated Argentina's Fernando Kurzbard and Shai Manzuri, 15–3, 15–8, in the quarterfinals,[66] but then lost to the USA's Rocky Carson and Sudsy Monchik, 15–12, 15–2, in the semi-finals.

[68] At the second National Team Selection Event in February 2019 in Grande Prairie, Alberta, Landeryou lost in the quarterfinals to Trevor Webb, 15–11, 15–8.

[75] Then in February 2020, Landeryou finished 3rd at the National Team Selection Event in Winnipeg, where he lost to Coby Iwaasa, 15–7, 15–12, and then beat Kurtis Cullen in the 3rd place match, 15–4, 15–3.

[1] Landeryou's most impressive results came while competing with Team Canada, which he did 14 times, winning 9 medals, including gold in Men's Doubles with Mike Green at the 2010 Pan American Racquetball Championships.