# 2021 World Athletics U20 Championships – Men's hammer throw

The men's hammer throw at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 18 and 20 August.

## Records

Standing records prior to the 2021 World Athletics U20 Championships :
| World U20 Record | Ashraf Amgad El-Seify (QAT) | 85.57 | Barcelona, Spain | 14 July 2012 |
| Championship Record | Ashraf Amgad El-Seify (QAT) | 85.57 | Barcelona, Spain | 14 July 2012 |
| World U20 Leading | Merlin Hummel (GER) | 81.21 | Bamberg, Germany | 26 June 2021 |

## Results
### Qualification

The qualification took place on 18 August, in two groups, with Group A starting at 09:08 and Group B starting at 10:36. Athletes attaining a mark of at least 74.00 metres ( Q ) or at least the 12 best performers ( q ) qualified for the final.
| Rank | Group | Name | Nationality | Round | Round | Round | Mark | Notes |
| Rank | Group | Name | Nationality | 1 | 2 | 3 | Mark | Notes |
| 1 | B | Jan Doležálek | Czech Republic | 77.58 | | | 77.58 | Q, NU20R |
| 2 | A | Orestis Ntousakis | Greece | 76.25 | | | 76.25 | Q |
| 3 | B | Ronald Mencía | Cuba | 73.59 | 74.98 | | 74.98 | Q |
| 4 | A | Ethan Katzberg | Canada | 74.39 | | | 74.39 | Q |
| 5 | A | Jean-Baptiste Bruxelle | France | x | 74.06 | | 74.06 | Q |
| 6 | B | Dawid Piłat | Poland | 72.44 | x | 72.85 | 72.85 | q |
| 7 | B | Theodoros Ziogas | Greece | x | 72.61 | x | 72.61 | q |
| 8 | A | Juan Jiménez | Spain | 71.05 | 69.44 | 68.23 | 71.05 | q |
| 9 | B | Arttu Härkönen | Finland | 70.63 | x | 69.74 | 70.63 | q, PB |
| 10 | B | Valentin Andreev | Bulgaria | x | x | 70.54 | 70.54 | q |
| 11 | B | Davide Costa | Italy | 65.50 | 70.31 | 67.31 | 70.31 | q |
| 12 | A | Oleg Yakushkin | Authorised Neutral Athletes | 70.29 | x | x | 70.29 | q |
| 13 | A | Tomasz Ratajczyk | Poland | x | 69.43 | x | 69.43 | |
| 14 | A | Jan Emberšič | Slovenia | x | 67.78 | x | 67.78 | |
| 15 | A | Emirhan Şipşak | Turkey | x | 64.35 | 67.11 | 67.11 | |
| 16 | A | Sebastian Tommasi | Argentina | x | 65.73 | 63.53 | 65.73 | |
| 17 | B | Aldo Zavala | Mexico | x | x | 65.65 | 65.65 | |
| 18 | A | Cristian Meheș | Romania | x | x | 65.08 | 65.08 | |
| 19 | B | Balázs Katavics | Hungary | x | 64.06 | x | 64.06 | |
| 20 | B | Vipin Kumar | India | x | 62.24 | 63.17 | 63.17 | |
| 21 | A | Makars Korotkovs | Latvia | 62.36 | x | 62.47 | 62.47 | |
| | B | Dragoș Nicorici | Romania | x | x | x | NM | |
| | A | Gregorio Giorgis | Italy | x | x | x | NM | |
| | B | Pieter-Juan Vorstman | South Africa | x | x | x | NM | |

### Final

The final was held on 20 August at 16:17.
| Rank | Name | Nationality | Round | Round | Round | Round | Round | Round | Mark | Notes |
| Rank | Name | Nationality | 1 | 2 | 3 | 4 | 5 | 6 | Mark | Notes |
| | Jan Doležálek | Czech Republic | x | 77.35 | x | 73.87 | 77.83 | x | 77.83 | NU20R |
| | Orestis Ntousakis | Greece | x | 75.69 | 77.78 | x | x | 73.54 | 77.78 | |
| | Jean-Baptiste Bruxelle | France | 75.86 | 77.70 | x | x | 73.88 | 74.07 | 77.70 | |
| 4 | Dawid Piłat | Poland | 72.14 | 75.95 | x | 72.14 | 77.09 | 72.00 | 77.09 | |
| 5 | Oleg Yakushkin | Authorised Neutral Athletes | 68.84 | x | 71.41 | 73.20 | x | 73.31 | 73.31 | |
| 6 | Theodoros Ziogas | Greece | 69.02 | 70.44 | 71.39 | x | 70.91 | 72.24 | 72.24 | |
| 7 | Ronald Mencía | Cuba | x | x | 69.84 | 68.83 | 71.60 | x | 71.60 | |
| 8 | Davide Costa | Italy | 67.56 | 68.67 | 70.62 | x | x | – | 70.62 | |
| 9 | Valentin Andreev | Bulgaria | 68.89 | 69.42 | 67.29 | | | | 69.42 | |
| 10 | Juan Jiménez | Spain | x | 67.90 | 68.63 | | | | 68.63 | |
| 11 | Arttu Härkönen | Finland | x | 67.23 | 68.34 | | | | 68.34 | |
| | Ethan Katzberg | Canada | x | x | x | | | | NM | |