| Event: | Men's 100m Butterfly S13 |
| Games: | 2012 Summer |
| Win Value: | 55.50 |
| Venue: | London Aquatics Centre |
| Dates: | 31 August |
| Competitors: | 11 |
| Nations: | 8 |
| Gold: | Ihar Boki |
| Goldnpc: | BLR |
| Silver: | Roman Dubovoy |
| Silvernpc: | RUS |
| Bronze: | Tim Antalfy |
| Bronzenpc: | AUS |
The men's 100m butterfly S13 event at the 2012 Summer Paralympics took place at the London Aquatics Centre on 31 August. There were two heats; the swimmers with the seven fastest times advanced to the final, while because of tied times in the heats the eighth final place was decided by a swim-off.
Competed from 11:30. Qualification swim-off at 12.05.
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 4 | 57.06 | Q, PR | |||
| 2 | 5 | 59.03 | Q, AF | |||
| 3 | 6 | 59.62 | Q, AS | |||
| 4 | 3 | 59.92 | Q | |||
| 5 | 2 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 4 | 56.03 | Q, PR | |||
| 2 | 3 | 58.15 | Q | |||
| 3 | 5 | 58.27 | Q | |||
| 4 | 6 | 1:01.61 | Q (swim-off 1:01.24) | |||
| 2 | (swim-off 1:02.72) | |||||
| 6 | 7 |
Competed at 20:00.
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 5 | 55.50 | PR | ||||
| 3 | 56.37 | |||||
| 4 | 56.48 | |||||
| 4 | 1 | 58.05 | ||||
| 5 | 6 | 58.47 | ||||
| 6 | 7 | 59.37 | AS | |||
| 7 | 2 | 59.39 | ||||
| 8 | 8 |
Official London 2012 Paralympics Results: Heats
Official London 2012 Paralympics Results: Final