[4] Saunders announced her retirement from competition in December 2019,[5] as she accepted the position of Administrator of High Performance and Sport Development with Racquetball Canada.

"I wasn't very good as a teenager playing racquetball," said Saunders, and "when I was 18, people laughed at me when I said I wanted to be on the national team.

Competing in the Women's Open Doubles division at the 1999 Canadian Championships, Saunders and partner Julie Neubauer won the consolation title.

[25] Saunders made Team Canada for the first time in 2002, when she played Women's Singles at the 2002 Pan American Championships (then called Tournament of the Americas) in Cochabomba, Bolivia.

Her performances helped to earn Saunders a spot on Team Canada at the 2003 Pan American Games in Santo Domingo, Dominican Republic.

[34] The Canadians met in the quarters because Saunders didn't win her pool, losing two matches: one to Angela Grisar of Chile, 15–3, 14–15 11–5, and one to Claudine Garcia of the Dominican Republic, 11–15, 15–7, 11–6.

[36] Saunders and Grand'Maître won Women's Doubles for the second time, defeating Powell and Neubauer in the final, 15–9, 15–8, and Geneviève Brodeur and Véronique Guillemette in the semi-finals, 15–2, 15–2.

At the 2004 World Championships in Anyang, South Korea, Saunders played Women's Doubles with Grand'Maître, and they finished with bronze medals, as they lost to Mexicans Susana Acosta and Rosy Torres, 8–15, 15–5, 11–4.

She played Women's Singles,[44] defeating Mexican Paola Longoria in the quarterfinals, 15–6 15–5, but losing to Angela Grisar of Chile in the semi-finals, 15–9, 15–6, resulting in a bronze medal.

[47] Saunders competed in Women's Singles at the 2007 Pan American Championships in Santiago, Chile, where she lost to Paola Longoria in the quarterfinals.

[50] In 2008, Saunders played Women's Singles at the Pan American Championships[51] in San Jose, Costa Rica, where she was a bronze medalist after losing in the semi-finals to Paola Longoria of Mexico, 15–6, 6–15, 11–10.

Saunders was runner up in both Women's Singles and Doubles at the 2008 Canadian Championships in Burlington, Ontario, which was the first year she hadn't won at least one of those titles since 2001.

[53] Indeed, that year Saunders and Grand'Maître needed a tie-breaker just to get to the final, as they went three games in the semi-finals versus Alison Schlichemeyer and Brandi Jacobson Prentice, winning 15–9, 14–16, 11–3.

[56] Saunders competed in Women's Singles at the 2009 Pan American Championships in Cali, Colombia, losing to Cheryl Gudinas of the US in the quarterfinals, 15–5, 15–10.

She defeated Cristina Cordova of Ecuador to reach the quarterfinals,[62] but in the quarters Saunders lost to Angela Grisar of Chile, 15–7, 15–5.

[66] Saunders travelled to the 2010 World Championships in Seoul, South Korea, where she lost in the quarterfinals to Mexican Nancy Enriquez, 15–9, 15–9.

[70] Saunders was the 2nd seed in Women's Singles at the 2011 Pan American Championships in Managua, Nicaragua,[71] but was upset by Chilean Angela Grisar, 15–10, 13–15, 11–10.

Saunders won both Women's Singles[72] and Doubles at the 2011 Canadian Championships in Antigonish and Port Hawkesbury, Nova Scotia.

[75] Saunders teamed with Christine Richardson in Women's Doubles, and they got to the semi-finals, but lost to Loma and Jenny Daza of Bolivia, 15–12, 15–11,[76] so they were bronze medalists.

She got there by defeating Mexican Jessica Parrilla in the quarterfinals, 15–7, 15–9, then in the semi-finals Saunders got the better of Cheryl Gudinas, who had beaten her in that final a decade previously, 5–15, 15–13, 11–6.

[80] Saunders qualified to go to the 2013 Pan American Championships in Cali, Colombia, but Racquetball chose not to send a team to the event because of a Canadian government travel advisory.

[83] In the summer of 2013, Saunders represented Canada at the World Games in Cali, Colombia, where she lost to Cristina Amaya, 15–4, 15–14, in the Round of 16.

However, Saunders defeated Lambert in three games, 15–6, 6–15, 11–9,[86] winning her 8th Canadian Championship in Women's Singles, which set the career record, breaking a tie she had with Heather Stupp.

[93] Saunders's results got her a spot on Team Canada for the Pan Am Games in Toronto,[94] She played Women's Singles, losing in the Round of 16 to Carola Loma of Bolivia, 15–9, 15–1.

But in the Women's Team event, she and Lambert captured a bronze medal after defeating Argentina in the quarterfinals, 2–0, and losing to the US in the semi-finals, 2–0.

[3] Saunders played Women's Doubles with Frédérique Lambert at the 2016 World Championships in Cali, Colombia, where they were bronze medalists.

[106] In Women's Doubles, Saunders played with Danielle Drury, and they finished 2nd to Michèle Morissette and Christine Richardson, losing to them 17–15, 15–13.

Saunders came 2nd in the first National Team Selection Event of the 2017–18 season in Vernon, British Columbia, where she lost to Lambert in the final, 15–6, 15–4.

[108] At the 2019 Pan American Racquetball Championships, Saunders played Women's Doubles with Danielle Drury, and they were bronze medalists, losing to Colombians Cristina Amaya and Adriana Riveros in the semi-finals.

[3] Saunders's 2019 Nationals wins helped to qualify her for Team Canada at the 2019 Pan American Games in Lima, Peru.