| Event: | Men's 100 metres |
| Competition: | 2021 European Athletics U23 Championships |
| Venue: | Kadriorg Stadium, Tallinn |
| Dates: | 8–9 July |
| Competitors: | 21 |
| Nations: | 15 |
| Win Value: | 10.25 |
| Goldnoc: | GBR |
| Silver: | Henrik Larsson |
| Silvernoc: | SWE |
| Bronze: | Arnau Monné |
| Bronzenoc: | ESP |
| Prev: | 2019 |
| Next: | 2023 |
The men's 100 metres event at the 2021 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 8 and 9 July.[1]
Prior to the competition, the records were as follows:
| European U23 record | 9.92 | Albi, France | 29 July 2011 | ||
| Championship U23 record | 10.10 | Debrecen, Hungary | 13 July 2007 |
Qualification rule: First 2 in each heat (Q) and the next 2 fastest (q) advance to the Final.[2] [3]
Wind:
Heat 1: +1.3 m/s, Heat 2: +1.6 m/s, Heat 3: +1.0 m/s
| Rank | Heat | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | align=left | align=left | 10.19 | Q, PB | |||
| 2 | 2 | align=left | align=left | 10.26 | Q, NU23R | |||
| 3 | 2 | align=left | align=left | 10.32 | q | |||
| 4 | 1 | align=left | align=left | 10.33 | Q | |||
| 5 | 2 | align=left | align=left | 10.34 | q | |||
| 6 | 2 | align=left | align=left | 10.36 | PB | |||
| 7 | 3 | align=left | align=left | 10.37 | Q | |||
| 8 | 3 | align=left | align=left | 10.40 | Q | |||
| 9 | 1 | align=left | align=left | 10.45 | Q | |||
| 10 | 1 | align=left | align=left | 10.47 | ||||
| 11 | 3 | align=left | align=left | 10.47 | ||||
| 12 | 2 | align=left | align=left | 10.49 | ||||
| 13 | 3 | align=left | align=left | 10.49 | ||||
| 14 | 2 | align=left | align=left | 10.49 | ||||
| 15 | 1 | align=left | align=left | 10.52 | ||||
| 16 | 1 | align=left | align=left | 10.54 | ||||
| 17 | 3 | align=left | align=left | 10.54 | ||||
| 18 | 3 | align=left | align=left | 10.58 | ||||
| 19 | 1 | align=left | align=left | 10.61 | ||||
| 20 | 1 | align=left | align=left | 10.65 | PB | |||
| 21 | 3 | align=left | align=left | 10.89 |
Wind: –0.3 m/s
| Rank | Lane | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|---|
| 4 | align=left | align=left | 10.25 | |||||
| 3 | align=left | align=left | 10.36 | |||||
| 1 | align=left | align=left | 10.41 | |||||
| 4 | 7 | align=left | align=left | 10.42 | ||||
| 5 | 2 | align=left | align=left | 10.42 | ||||
| 6 | 6 | align=left | align=left | 10.52 | ||||
| 7 | 8 | align=left | align=left | 10.55 | ||||
| 5 | align=left | align=left | DNS | |||||