[1] Duan has had a vision impairment since a very young age, which allowed him to also compete in the Paralympics in category T12/F12 events.

[2] His international career flourished in 1998, when he was gold medallist at the 1998 Asian Athletics Championships,[3] silver medallist behind Sergey Arzamasov at the 1998 Asian Games,[4] and a representative for Asia at the 1998 IAAF World Cup.

[5] In the 1998 season he won the national title at the Chinese Athletics Championships with a mark of 17.05 m (55 ft 11+1⁄4 in) – the first athlete to jump over seventeen metres at the competition in eight years.

[6] He had been runner-up at the Chinese National Games for his native Hebei previously, finishing second to Zou Sixin in 1993 and Lao Jianfeng in 1997.

[7] Duan Qifeng also competed in the 2004 Summer Paralympics where he won three medals.