# 2022 World Athletics U20 Championships – Men's 800 metres

The men's 800 metres at the 2022 World Athletics U20 Championships was held at the Estadio Olímpico Pascual Guerrero in Cali, Colombia on 4, 5 and 6 August 2022.

## Records

U20 standing records prior to the 2022 World Athletics U20 Championships were as follows:
| Record | Athlete & Nationality | Mark | Location | Date |
| World U20 Record | Nijel Amos (BOT) | 1:41.73 | London, United Kingdom | 9 August 2012 |
| Championship Record | Emmanuel Wanyonyi (KEN) | 1:43.76 | Nairobi, Kenya | 22 August 2021 |
| World U20 Leading | Emmanuel Wanyonyi (KEN) | 1:44.01 | Nairobi, Kenya | 25 June 2022 |

## Results
### Round 1

Qualification: First 3 of each heat (Q) and the 3 fastest times (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 1 | Ermias Girma | Ethiopia | 1:48.39 | Q |
| 2 | 6 | Mersimoi Kasahun | Ethiopia | 1:48.54 | Q |
| 3 | 3 | Kacper Lewalski | Poland | 1:48.59 | Q |
| 4 | 6 | Bader Alsweed | Kuwait | 1:48.60 | Q |
| 5 | 3 | Ole Jakob Solbu | Norway | 1:48.78 | Q |
| 6 | 6 | Jakub Dudycha | Czech Republic | 1:48.83 | Q |
| 7 | 3 | Giovanni Lazzaro | Italy | 1:48.89 | Q |
| 8 | 6 | J'voughnn Blake | Jamaica | 1:48.97 | q |
| 9 | 3 | Luke Hitchcock | New Zealand | 1:49.21 | q, PB |
| 10 | 1 | James Harding | New Zealand | 1:49.30 | Q |
| 11 | 1 | Malik Skupin-Alfa | Germany | 1:49.80 | Q |
| 12 | 3 | Arjun Waskale | India | 1:49.83 | PB |
| 13 | 3 | Shuta Azuma | Japan | 1:50.22 | |
| 14 | 7 | Ethan Hussey | Great Britain | 1:50.28 | Q |
| 15 | 7 | Samuel Rodman | United States | 1:50.36 | Q |
| 16 | 4 | Abdo-Razak Hassan | Djibouti | 1:50.47 | Q |
| 17 | 7 | Bartosz Kitliński | Poland | 1:50.49 [.483] | Q |
| 17 | 7 | Luke Boyes | Australia | 1:50.49 [.483] | Q |
| 19 | 1 | Siphesihle Khoza | South Africa | 1:50.50 | |
| 20 | 6 | Martin Mauluka | Zambia | 1:50.57 | PB |
| 21 | 5 | Heithem Chenitef | Algeria | 1:50.71 | Q |
| 22 | 4 | Samuel Reardon | Great Britain | 1:50.87 | Q |
| 23 | 5 | Dominic Kiptoo Barngetuny | Kenya | 1:50.96 | Q |
| 24 | 5 | Matthew Erickson | Canada | 1:50.99 | Q |
| 25 | 1 | János Kubasi | Hungary | 1:51.01 | |
| 26 | 5 | Francesco Pernici | Italy | 1:51.07 | |
| 27 | 1 | Kizuku Ushiroda | Japan | 1:51.16 | |
| 28 | 7 | Žiga Jan | Slovenia | 1:51.27 | |
| 29 | 5 | Elija Ziem | Germany | 1:51.28 | |
| 30 | 2 | Noah Kibet | Kenya | 1:51.37 | Q |
| 31 | 2 | Charlie Jeffreson | Australia | 1:51.69 [.682] | Q |
| 32 | 4 | Paul Anselmini | France | 1:51.69 [.687] | Q |
| 33 | 2 | Miles Brown | United States | 1:51.82 | Q |
| 34 | 2 | Ramón Wipfli | Switzerland | 1:52.06 | |
| 35 | 1 | Elias Oliveira | Brazil | 1:52.34 | |
| 36 | 5 | Uku-Renek Kronbergs | Estonia | 1:52.44 | |
| 37 | 7 | Beer Harms | Netherlands | 1:52.54 | |
| 38 | 2 | Riley Flemington | Canada | 1:52.62 | |
| 39 | 6 | Edwin Santos | Puerto Rico | 1:52.63 | |
| 40 | 4 | Jiří Pavel Češka | Czech Republic | 1:52.66 | |
| 41 | 3 | Pradeep Senthilkumar | India | 1:52.78 | |
| 42 | 2 | Janio Marcos Gonçalves | Brazil | 1:52.98 | |
| 43 | 4 | Karabo Try Madonsela | South Africa | 1:53.21 | |
| 44 | 6 | Husain Mohsin Al-Farsi | Oman | 1:53.32 | |
| 45 | 4 | Anže Požgaj Svit | Slovenia | 1:53.44 | |
| 46 | 5 | Adrian Nethersole | Jamaica | 1:53.91 | |
| 47 | 2 | Gonzalo Gervasini | Uruguay | 1:54.41 | |
| 48 | 3 | Seif Eddine Hafsi | Algeria | 1:54.71 | |
| 49 | 7 | Pedro Marín | Colombia | 1:56.15 | |
| 50 | 4 | Aleksa Tomić | Serbia | 1:56.41 | |
| 51 | 5 | Ahmed Wisaam | Maldives | 2:01.26 | |
| 52 | 4 | Tajhjani Brooks | Anguilla | 2:03.37 | |
| 53 | 6 | Louis Low-Beer | Switzerland | 2:49.40 | |
| | 7 | Benjamin Olsen | Norway | DNS | DNS |

### Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 3 | Noah Kibet | Kenya | 1:46.37 | Q |
| 2 | 3 | Samuel Reardon | Great Britain | 1:46.80 | Q, PB |
| 3 | 3 | Mersimoi Kasahun | Ethiopia | 1:46.95 | q, PB |
| 4 | 1 | Ermias Girma | Ethiopia | 1:47.96 | Q |
| 5 | 3 | James Harding | New Zealand | 1:48.00 | q |
| 6 | 1 | Ethan Hussey | Great Britain | 1:48.18 | Q |
| 7 | 3 | Matthew Erickson | Canada | 1:48.42 | |
| 8 | 1 | Charlie Jeffreson | Australia | 1:48.45 | |
| 9 | 2 | Heithem Chenitef | Algeria | 1:48.55 | Q, PB |
| 10 | 2 | Kacper Lewalski | Poland | 1:48.76 | Q |
| 11 | 1 | Bartosz Kitliński | Poland | 1:48.82 | |
| 12 | 3 | J'voughnn Blake | Jamaica | 1:48.87 | |
| 13 | 2 | Paul Anselmini | France | 1:48.96 | |
| 14 | 2 | Dominic Kiptoo Barngetuny | Kenya | 1:49.04 | |
| 15 | 1 | Bader Alsweed | Kuwait | 1:49.10 | |
| 16 | 1 | Luke Hitchcock | New Zealand | 1:49.36 | |
| 17 | 1 | Samuel Rodman | United States | 1:49.47 | |
| 18 | 2 | Abdo-Razak Hassan | Djibouti | 1:49.74 | |
| 19 | 3 | Jakub Dudycha | Czech Republic | 1:50.10 | |
| 20 | 2 | Miles Brown | United States | 1:50.17 | |
| 21 | 3 | Luke Boyes | Australia | 1:50.26 | |
| 22 | 2 | Malik Skupin-Alfa | Germany | 1:50.43 | |
| 23 | 2 | Giovanni Lazzaro | Italy | 1:51.72 | |
| 24 | 1 | Ole Jakob Solbu | Norway | 1:54.93 | |

### Final

The final was held on 6 August at 16:16.
| Rank | Lane | Name | Nationality | Time | Note |
| | 4 | Ermias Girma | Ethiopia | 1:47.36 | |
| | 1 | Heithem Chenitef | Algeria | 1:47.61 | PB |
| | 8 | Ethan Hussey | Great Britain | 1:47.65 | |
| 4 | 3 | Kacper Lewalski | Poland | 1:47.84 | |
| 5 | 6 | Samuel Reardon | United Kingdom | 1:48.33 | |
| 6 | 2 | James Harding | New Zealand | 1:48.35 | |
| 7 | 6 | Noah Kibet | Kenya | 1:48.50 | |
| 8 | 7 | Mersimoi Kasahun | Ethiopia | 1:49.27 | |