Blake Leeper

[2] Patrick Blake Leeper was born in Kingsport, Tennessee with a congenital defect insufficiently formed lower legs ultimately resulting with a double below-the-knee amputation at the age of four.

[citation needed] In 2011 he won a silver medal in the World Championships 4 × 100 m relay T42–46 classification with a time of 42.84.

[4] Leeper served a competition ban from 2015 to 2017 for an anti-doping regulation violation after testing positive for benzoylecgonine, a metabolite of cocaine.

[6] Leeper returned to competition at the U.S. Track & Field Championships in 2017, becoming the first double-leg amputee to compete at the event.

[9] In October 2020 Court of Arbitration for Sport dismissed Leeper's appeal to run with in major World Athletics events (including the Olympic Games) with his prosthetic legs.