100m Boys Semi-final, Heat:1 of 3, W=+0.7 ; Official result since 19:44
First 2 + 2 fastest to Final
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 157 | Nakrosis Adomas | 11.23 | Vilnius | 11.22 | Q | ||
| 2 | 4 | 194 | Hu Yu-hao | 11.46 | New Taipei -city | 11.42 | Q | ||
| 3 | 6 | 202 | Hsu Chi-ting | 11.46 | Taoyuan City | 11.72 | B | ||
| 4 | 3 | 117 | Krcma Vojtech | 11.45 | Brno | 11.86 | B | ||
| 5 | 8 | 156 | Toleikis Vakaris | 12.10 | Siauliai | 12.02 | B | ||
| 6 | 7 | 147 | Kahat Ohad | 12.24 | Jerusalem | 12.20 | B | ||
| 7 | 2 | 213 | Fadieiev Oleksandr | Nykolaiv | 12.43 | ||||
| 8 | 1 | 102 | Webber Bryce | Lake Macquarie | 12.62 |