The men's 400m freestyle events at the 2020 World Para Swimming European Championships were held at the Penteada Olympic Pools Complex.
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Andrii Trusov |  Russia | 4:42.88 | |
 | Federico Bicelli |  Italy | 4:44.90 | |
 | Mark Malyar |  Israel | 4:46.48 | |
| 4 | Michael Jones |  Great Britain | 4:48.38 | |
| 5 | Marian Kvasnytsia |  Ukraine | 5:05.90 | |
| 6 | Martin Batka |  Slovakia | 6:10.89 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Andrei Nikolaev | Russia | 4:30.64 | |
| Alberto Amodeo | Italy | 4:39.04 | |
| Inigo Llopis Sanz |  Spain | 4:47.02 | |
| 4 | Denys Dubrov | Ukraine | 4:53.10 | |
| 5 | Bohdan Hrynenko | Ukraine | 4:53.45 | |
| 6 | Islam Dokaev |  Belgium | 5:19.31 | |
| 7 | Petr Fryba |  Czech Republic | 5:21.76 | |
| — | Jonathan McGrath |  Ireland | DSQ |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Maksym Krypak | Ukraine | 4:02.64 | |
| Stefano Raimondi | Italy | 4:11.72 | |
| Alan Ogorzalek |  Poland | 4:15.11 | |
| 4 | Florent Marais |  France | 4:17.74 | |
| 5 | Dmitrii Bartasinskii | Russia | 4:17.99 | |
| 6 | Justin Kaps |  Germany | 4:22.87 | |
| 7 | Jarno Thierens | Belgium | 4:34.24 | |
| 8 | Matej Petrlic |  Croatia | 4:40.29 |
Brenden Hall, is an Australian Paralympic amputee swimmer who won two gold medals at the 2012 Summer Paralympics in London. He represented Australia at the 2016 Rio Paralympics where he won one gold, one silver and one bronze medal. He competed at 2020 Summer Paralympics, his fourth games.
Rowan Crothers OAM is an Australian freestyle swimmer. He represented Australia at the 2016 Rio Paralympics and the 2020 Tokyo Paralympics. He won two gold and one silver medals at the Tokyo Paralympics.
The men's 200m freestyle events at the 2020 World Para Swimming European Championships were held at the Penteada Olympic Pools Complex.
The men's 50m freestyle events at the 2020 World Para Swimming European Championships were held at the Penteada Olympic Pools Complex.
The women's 400m freestyle events at the 2020 World Para Swimming European Championships were held at the Penteada Olympic Pools Complex.
The men's 100m freestyle events at the 2020 World Para Swimming European Open Championships were held at the Penteada Olympic Pools Complex.
The women's 100m freestyle events at the 2020 World Para Swimming European Open Championships were held at the Penteada Olympic Pools Complex.
