# 2021 World Athletics U20 Championships – Men's 110 metres hurdles

The men's 110 metres hurdles at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 20 and 21 August.

## Records

Standing records prior to the 2021 World Athletics U20 Championships :
| World U20 Record | Wilhem Belocian (FRA) | 12.99 | Eugene, United States | 24 July 2014 |
| World U20 Record | Damion Thomas (JAM) | 12.99 | Kingston, Jamaica | 23 June 2018 |
| Championship Record | Wilhem Belocian (FRA) | 12.99 | Eugene, United States | 24 July 2014 |
| World U20 Leading | Sasha Zhoya (FRA) | 13.02 | Bondoufle, France | 10 July 2021 |

## Results
### Heats

Qualification: First 3 of each heat (Q) and the 4 fastest times (q) qualified for the semifinals.
Wind: Heat 1: +0.2 m/s, Heat 2: +1.0 m/s, Heat 3: +0.3 m/s, Heat 4: +1.5 m/s
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 3 | Sasha Zhoya | France | 13.12 | Q |
| 2 | 2 | Vashaun Vascianna | Jamaica | 13.37 | Q, SB |
| 3 | 3 | John Paredes | Colombia | 13.49 | Q, PB |
| 4 | 4 | Jakub Szymański | Poland | 13.52 | Q |
| 5 | 4 | Erwann Cinna | France | 13.60 | Q |
| 6 | 1 | Prosper Oghenemine Ekporore | Nigeria | 13.71 | Q, PB |
| 7 | 2 | Rian Pereira | Brazil | 13.71 | Q |
| 8 | 4 | Cheung Siu Hang | Hong Kong | 13.72 | Q, NU20R |
| 9 | 3 | Mondray Barnard | South Africa | 13.76 | Q |
| 10 | 4 | Štěpán Schubert | Czech Republic | 13.77 | q |
| 11 | 4 | Marc Brian Louis | Singapore | 13.77 | q, NU20R |
| 12 | 1 | Yousuf Badawy Sayed | Egypt | 13.79 | Q, PB |
| 12 | 3 | Saeed Othman Al-Absi | Qatar | 13.79 | q |
| 14 | 4 | Jorim Léonard Bangue | Cameroon | 13.80 | q, NU20R |
| 15 | 1 | Olivér Almási | Hungary | 13.82 | Q |
| 16 | 1 | Lorenzo Ndele Simonelli | Italy | 13.83 | |
| 17 | 3 | Tejas Shirse | India | 13.87 | |
| 18 | 2 | Tomáš Oberndorfer | Czech Republic | 13.95 | Q |
| 19 | 1 | Matvey Gerasimov | Authorised Neutral Athletes | 13.98 | |
| 20 | 2 | Omar Khaled Mohamed | Egypt | 14.01 | |
| 21 | 1 | Jovan Čanak | Serbia | 14.05 | |
| 22 | 2 | Riccardo Berrino | Italy | 14.06 | |
| 23 | 3 | Antoine Andrews | Bahamas | 14.08 | |
| 24 | 2 | Bogdan Vidojković | Serbia | 14.18 | |
| 25 | 3 | Lukas Cik | Croatia | 14.19 | |
| 26 | 2 | Richard Nagy | Hungary | 14.27 | |
| 27 | 4 | Ayetullah Demir | Turkey | 14.54 | |
| 28 | 2 | Patrick Muindi | Kenya | 15.27 | PB |
| | 4 | Anatoliy Kiselev | Authorised Neutral Athletes | DNS | |
| | 1 | Fabrício Júlio de Sousa | Brazil | DNS | |

### Semifinals

Qualification: First 3 of each heat (Q) and the 2 fastest times (q) qualified for the final.
Wind: Heat 1: +0.1 m/s, Heat 2: -0.4 m/s
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 2 | Sasha Zhoya | France | 12.93 | Q, WU20R |
| 2 | 1 | Vashaun Vascianna | Jamaica | 13.35 | Q, SB |
| 3 | 2 | John Paredes | Colombia | 13.46 | Q, PB |
| 4 | 1 | Jakub Szymański | Poland | 13.50 | Q |
| 5 | 1 | Erwann Cinna | France | 13.51 | Q, PB |
| 6 | 1 | Saeed Othman Al-Absi | Qatar | 13.52 | q, NU20R |
| 7 | 2 | Cheung Siu Hang | Hong Kong | 13.57 | Q, NU20R |
| 8 | 1 | Štěpán Schubert | Czech Republic | 13.63 | q, PB |
| 9 | 1 | Mondray Barnard | South Africa | 13.65 | |
| 10 | 1 | Rian Pereira | Brazil | 13.78 | |
| 11 | 2 | Marc Brian Louis | Singapore | 13.83 | |
| 12 | 2 | Jorim Léonard Bangue | Cameroon | 13.92 | |
| 13 | 1 | Olivér Almási | Hungary | 14.23 | |
| 14 | 2 | Prosper Oghenemine Ekporore | Nigeria | 15.70 | qR |
| | 2 | Yousuf Badawy Sayed | Egypt | DNF | |
| | 2 | Tomáš Oberndorfer | Czech Republic | DQ | TR22.6.2 |

### Final

The final was held on 21 August at 16:19.
Wind: +1.0 m/s
| Rank | Lane | Name | Nationality | Time | Note |
| | 4 | Sasha Zhoya | France | 12.72 | WU20R |
| | 7 | Vashaun Vascianna | Jamaica | 13.25 | PB |
| | 6 | Jakub Szymański | Poland | 13.43 | PB |
| 4 | 2 | Saeed Othman Al-Absi | Qatar | 13.46 | NU20R |
| 5 | 9 | Erwann Cinna | France | 13.50 | PB |
| 6 | 5 | John Paredes | Colombia | 13.52 | |
| 7 | 8 | Cheung Siu Hang | Hong Kong | 13.53 | NU20R |
| 8 | 3 | Štěpán Schubert | Czech Republic | 13.69 | |
| 9 | 1 | Prosper Oghenemine Ekporore | Nigeria | 21.60 | |