| Lane | # | Name / Team | Nat | PB | SB |
|---|---|---|---|---|---|
| 2 | 43 | Viljami Kaasalainen Jyväskylän Kenttäurheilijat |  FIN | 10,34 | |
| 3 | 41 | Mouhamadou Fall France |  FRA | 10,04 | 10,06 |
| 4 | 40 | Cravont Charleston United States |  USA | 9,91 | 9,91 |
| 5 | 37 | Benjamin Azamati Ghana |  GHA | 9,90 | 9,99 |
| 6 | 46 | Samuli Samuelsson Ikaalisten Urheilijat | FIN | 10,16 | 10,16 |
| 7 | 50 | Julian Wagner Germany |  GER | 10,11 | 10,32 |
| 8 | 49 | Eino Vuori Hämeenlinnan Tarmo | FIN | 10,43 | 10,69 |
| Heat 2/2 Qualification: 3 best (Q) + 2 time (q) | 18.22 |
| Lane | # | Name / Team | Nat | PB | SB |
|---|---|---|---|---|---|
| 2 | 48 | Viktor Thor Borgå Akilles | FIN | 10,47 | 10,54 |
| 3 | 44 | Henrik Larsson Sweden |  SWE | 10,20 | 10,30 |
| 4 | 38 | Jeremiah Azu Great Britain & NI |  GBR | 10,13 | 10,20 |
| 5 | 39 | Rohan Browning Australia |  AUS | 10,01 | 10,02 |
| 6 | 45 | Reece Prescod Great Britain & NI | GBR | 9,93 | 9,99 |
| 7 | 47 | Abdul Hakim Sani Brown Japan |  JPN | 9,97 | 10,13 |
| 8 | 42 | Riku Illukka Vantaan Salamat | FIN | 10,26 | 10,37 |
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