| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 2 | Alberto Abarza | 84 | S2 | Chile | 56.32 |
| 2 | 4 | Anderson Anak Jamba* | 87 | S5 | Malaysia | 52.06 |
| 3 | 6 | Matz Topkin | 98 | S5 | Estonia | 44.14 |
| 4 | 8 | Daniel Dias | 88 | S5 | Brazil | 35.70 |
| 5 | 7 | Andrew Mullen | 96 | S5 | Gr Britain | 35.87 |
| 6 | 5 | Zsolt Vereczkei* | 77 | S5 | Hungary | 44.32 |
| 7 | 3 | Joao Pinho | 92 | S5 | Portugal | 54.02 |
| 8 | 1 | Manuel Martinez Martin | 97 | S4 | Spain | 1:05.12 |