The Men's 100 metre backstroke S1 event at the 2016 Paralympic Games took place on 9 September 2016, at the Olympic Aquatics Stadium. No heats were held.
Final 17:30 9 September 2016:
Rank Lane Name Nationality Time Notes 4 2:08.01 5 2:27.06 3 2:27.45 4 6 2:54.23 5 7 3:03.83 6 2 3:12.73 7 1 3:42.24
Notes