The Athletics at the 2016 Summer Paralympics – Men's 400 metres T38 event at the 2016 Paralympic Games took place on 16–17 September 2016, at the Estádio Olímpico João Havelange.
Heats Heat 1 10:00 16 September 2016:
Rank Lane Bib Name Nationality Reaction Time Notes 1 8 1305 53.89 2 4 1274 54.53 3 6 1245 58.37 4 7 1860 59.07 3 1679 5 1059
Heat 2 10:07 16 September 2016: Rank Lane Bib Name Nationality Reaction Time Notes 1 6 1304 52.34 2 7 2078 54.66 3 4 2273 55.75 4 3 1272 55.99 5 5 1873 56.12
Final 17:59 17 September 2016:
Rank Lane Bib Name Nationality Reaction Time Notes 5 2078 49.46 7 1245 50.27 4 1304 51.44 4 8 2273 51.49 5 3 1274 52.43 6 6 1305 54.80 7 2 1873 54.97 8 1 1272 55.06
Notes