| Event: | Men's 100 metre freestyle S8 |
| Games: | 2020 Summer |
| Venue: | Tokyo Aquatics Centre |
| Dates: | 25 August 2021 |
| Competitors: | 18 |
| Gold: | Ben Popham |
| Goldnpc: | AUS |
| Silver: | Andrei Nikolaev |
| Silvernpc: | RPC |
| Bronze: | Dimosthenis Michalentzakis |
| Bronzenpc: | GRE |
The Men's 100 metre freestyle S8 event at the 2020 Paralympic Games took place on 25 August 2021, at the Tokyo Aquatics Centre.
The swimmers with the top 8 times, regardless of heat, advanced to the final.[1]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 4 | 58.95 | ||||
| 2 | 2 | 4 | 59.49 | ||||
| 3 | 1 | 6 | 59.70 | ||||
| 4 | 1 | 4 | 59.80 | ||||
| 5 | 2 | 5 | 1:00.05 | ||||
| 6 | 1 | 5 | 1:00.08 | ||||
| 7 | 3 | 5 | 1:00.40 | ||||
| 8 | 3 | 2 | 1:01.21 | ||||
| 9 | 1 | 2 | 1:01.26 | ||||
| 10 | 2 | 7 | 1:01.35 | ||||
| 11 | 1 | 3 | 1:01.37 | ||||
| 12 | 3 | 7 | 1:01.54 | ||||
| 13 | 3 | 6 | 1:01.59 | ||||
| 14 | 2 | 3 | 1:01.95 | ||||
| 15 | 3 | 3 | 1:02.30 | ||||
| 16 | 2 | 2 | 1:02.97 | ||||
| 17 | 2 | 6 | 1:03.04 | ||||
| 18 | 1 | 7 | 1:07.33 |
| Rank | Lane | Name | Nationality | Time | Notes | +100m freestyle final | 4 | 57.37 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 57.69 | |||||||||||
| 5 | 58.73 | |||||||||||
| 4 | 2 | 58.75 | ||||||||||
| 5 | 3 | 59.02 | ||||||||||
| 6 | 1 | 59.42 | ||||||||||
| 7 | 7 | 59.93 | ||||||||||
| 8 | 8 | 1:01.23 |