| 10 September|
| 16 from 12 nations|
| Beijing National Aquatics Center|
The men's 100m freestyle S13 event at the 2008 Summer Paralympics took place at the Beijing National Aquatics Center on 10 September. There were two heats; the swimmers with the eight fastest times advanced to the final.
Swimming at the 2008 Summer Paralympics – Men's 100 metre freestyle S13 Wikipedia
Competed from 09:14.
Competed at 17:11.
Q = qualified for final. WR = World Record. PR = Paralympic Record.