[4] Lenchu Kunzang was selected as part of the Bhutan team at the 2014 Asian Games, held in Incheon, South Korea.
Competing in the women's 10 metre air rifle she scored 398.5 points in the qualification round to place 47th and did not advance to the finals.
[4] Kunzang competed in the women's 10 metre air rifle event at the 2016 South Asian Games held in Guwahati, India, placing 17th out of 18 athletes with a score of 394.3.
[6] At the 2016 Asian Olympic Shooting Qualifying Tournament held in New Delhi, Kunzang scored 400.0 points and finished 51st out of 57 competitors.
[7][8] At the 2016 Summer Olympics, Kunzang scored 404.9 points to finish 45th out of 51 competitors in the qualifying round of the women's 10 metre air rifle and did not advance to the finals.