Heat 3
mercredi 19 mai 2021, 08h30 GMT – 08h30 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Viktar Staselovich | Belarus | 54.55″ |
| 2 | João Costa | Portugal | + 0.15″ |
| 3 | Thierry Bollin | Switzerland | + 0.31″ |
| 4 | Nicolás García | Spain | + 0.42″ |
| 5 | Lorenzo Mora | Italy | + 0.43″ |
| 6 | Ksawery Masiuk | Poland | + 0.47″ |
| 7 | Ádám Jászo | Hungary | + 0.63″ |
| 8 | Manuel Martos | Spain | + 0.66″ |
| 9 | Armin Evert Lelle | Estonia | + 1.1″ |
| 10 | Kaloyan Levterov | Bulgaria | + 1.51″ |