In her youth, Leduc competed for the Gatineau Athletics Club, competing both
sprinting events and the
long jump, but specializing in the
100 m. In 2018, Leduc won the Canadian U20 100 m title, clocking a time of 12.11 in the final. The day after the 100 m final, she competed in the long jump, jumping personal best of 5.86 m to take third. The following year, Leduc represented Canada at the
2019 NACAC U23 Championships in
Querétaro, Mexico. Competing in the 100 m, she set a personal best of 11.54 in the heats, before improving that time with clocking 11.52 with an illegal +3.3 m/s wind. She also competed as part of the Canadian
4 × 100 m relay team, taking a silver medal alongside
Shyvonne Roxborough,
Ashlan Best, and
Natassha McDonald.
Laval Rouge et Or 2020 marked Leduc's first year competing as part of the
Laval Rouge et Or track and field team. Competing in her first
USPORTS Championships in March, she won bronze in the
60 m, silver in the
4 × 200 m, and a bronze in the
long jump. At the 2022 USPORTS Championships, she took bronze in the 60 m, repeating her showing from the 2020 edition, took fifth in the long jump, and won gold anchoring the Laval women to
4 × 200 m gold. Later that year, representing
Quebec at the
Canada Summer Games in the
Niagara Region, she won three gold medals in the
100 m,
200 m, and
4 × 100 m. In 2023, Leduc won her first USPORTS individual title, winning the long jump in a personal best of 6.11m. That same weekend she also won a bronze medal in the
4 × 200 m and fifth in the
60 m. In July, she placed fourth at the
Canadian Track and Field Championships in the
100 m.
2024: Breakthrough year 2024 marked a breakthrough year for Leduc. In March, she represented Canada at the
World Indoor Championships in
Glasgow, Scotland.
Competing in the 60 m, where she tied her personal best of 7.22 in the first round, advancing her to the semi-finals. In the semis, she ran another personal best of 7.21, but didn't advance to the final. Later that month, at the USPORTS Championships, she won gold in the 60 m and led the Laval women's
4 × 200 m team to a silver medal. On March 30, Leduc opened her 2024 outdoor season at the Florida Relays in
Gainesville, Florida. Competing in the 100 m, she ran a massive personal best of 11.08, eclipsing her previous best by 0.30 seconds and breaking the 36-year-old Quebec record of 11.13. On April 20, competing at
Louisiana State University, Leduc set another 100 m personal best of 10.96. With her time, Leduc broke
Angela Bailey's long-standing
Canadian national record of 10.98, set in 1987. Her time was also under the
Paris Olympic qualifying standard of 11.07, qualifying her for the
2024 Summer Olympics in August. On May 31, Leduc ran a big personal best in the 200m of 22.36, the second fastest time ever recorded by a Canadian. In the 100m heats at the Olympics, Leduc broke her own national record with a time of 10.95. She reached the semi-finals of the
60 metres at the
2025 World Athletics Indoor Championships in
Nanjing. == Championship results ==