The Men's 150 metre individual medley SM3 event at the 2020 Paralympic Games took place on 28 August 2021, at the Tokyo Aquatics Centre.
| Men's 150 metre individual medley SM3 at the XVI Paralympic Games | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Venue | Tokyo Aquatics Centre | ||||||||||||
| Dates | 28 August 2021 | ||||||||||||
| Competitors | 13 from 10 nations | ||||||||||||
| Medalists | |||||||||||||
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Heats edit
The swimmers with the top eight times, regardless of heat, advanced to the final.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|---|
| 1 | 1 | 5 | Grant Patterson |  Australia |
3:06.36 | |
| 2 | 1 | 4 | Ahmed Kelly | Australia |
3:06.72 | |
| 3 | 2 | 5 | Jesús Hernández Hernández |  Mexico |
3:13.08 | |
| 4 | 1 | 3 | Josia Topf |  Germany |
3:16.91 | |
| 5 | 2 | 4 | Diego López Díaz | Mexico |
3:18.54 | |
| 6 | 2 | 3 | Arnulfo Castorena | Mexico |
3:22.05 | |
| 7 | 2 | 6 | Emmanuele Marigliano |  Italy |
3:29.51 | |
| 8 | 1 | 6 | Ioannis Kostakis |  Greece |
3:45.53 | |
| 9 | 2 | 2 | Charkorn Kaewsri |  Thailand |
3:47.52 | |
| 10 | 1 | 2 | Yurii Dvorskyi |  Ukraine |
4:09.11 | |
| 11 | 2 | 7 | Youssef Elsayed |  Egypt |
4:17.93 | |
| 12 | 1 | 7 | Iyad Shalabi |  Israel |
4:52.88 | |
| 13 | 2 | 1 | Aliaksei Talai |  Belarus |
5:06.04 |
Final edit
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Jesús Hernández Hernández | Mexico |
2:56.99 | |
 |
Ahmed Kelly | Australia |
3:02.23 | |
 |
Grant Patterson | Australia |
3:05.57 | |
| 4 | Diego López Díaz | Mexico |
3:15.84 | |
| 5 | Arnulfo Castorena | Mexico |
3:17.44 | |
| 6 | Josia Topf | Germany |
3:20.35 | |
| 7 | Emmanuele Marigliano | Italy |
3:28.43 | |
| 8 | Ioannis Kostakis | Greece |
3:43.75 |