| Event: | Men's 100 metres |
| Competition: | 1978 European Athletics Championships |
| Venue: | Stadion Evžena Rošického |
| Location: | Prague |
| Competitors: | 28 |
| Nations: | 15 |
| Win Value: | 10.27 |
| Gold: | Pietro Mennea |
| Silver: | Eugen Ray |
| Bronze: | Vladimir Ignatenko |
| Bronze Variant: | 1955 |
| Gold Nation: | ITA |
| Silver Nation: | GDR |
| Bronze Nation: | URS |
| Previous: | 1974 |
| Next: | 1982 |
The men's 100 metres at the 1978 European Athletics Championships was held in Prague, then Czechoslovakia, at Stadion Evžena Rošického on 29 and 30 August 1978.[1]
According to an unofficial count, 28 athletes from 15 countries participated in the event.
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(2)29 August
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10.40 | ||
| 2 | align=left | align=left | 10.50 | |||
| 3 | align=left | align=left | | 10.59 | ||
| 4 | align=left | align=left | | 10.63 | ||
| 5 | align=left | align=left | 10.64 | |||
| 6 | align=left | align=left | 10.73 | |||
| 7 | align=left | align=left | 10.78 | |||
| Wind: 0.0 m/s | ||||||
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10.19 | , | |
| 2 | align=left | align=left | | 10.31 | ||
| 3 | align=left | align=left | 10.38 | |||
| 4 | align=left | align=left | 10.59 | |||
| 5 | align=left | align=left | | 10.60 | ||
| 6 | align=left | align=left | | 10.62 | ||
| 7 | align=left | align=left | 10.73 | |||
| Wind: 0.0 m/s | ||||||
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 10.30 | |||
| 2 | align=left | align=left | | 10.50 | ||
| 3 | align=left | align=left | | 10.58 | ||
| 4 | align=left | align=left | | 10.58 | ||
| 5 | align=left | align=left | | 10.79 | ||
| 6 | align=left | align=left | | 10.86 | ||
| 7 | align=left | align=left | 10.90 | |||
| Wind: 0.0 m/s | ||||||
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 10.44 | |||
| 2 | align=left | align=left | 10.49 | |||
| 3 | align=left | align=left | 10.53 | |||
| 4 | align=left | align=left | | 10.55 | ||
| 5 | align=left | align=left | 10.55 | |||
| 6 | align=left | align=left | 10.73 | |||
| 7 | align=left | align=left | | 10.76 | ||
| Wind: 0.0 m/s | ||||||
30 August
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10.26 | ||
| 2 | align=left | align=left | 10.45 | |||
| 3 | align=left | align=left | 10.46 | |||
| 4 | align=left | align=left | 10.53 | |||
| 5 | align=left | align=left | | 10.54 | ||
| 6 | align=left | align=left | | 10.63 | ||
| 7 | align=left | align=left | | 10.72 | ||
| 8 | align=left | align=left | | 10.74 | ||
| Wind: 0.0 m/s | ||||||
| Rank | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 10.30 | |||
| 2 | align=left | align=left | | 10.38 | ||
| 3 | align=left | align=left | | 10.38 | ||
| 4 | align=left | align=left | 10.43 | |||
| 5 | align=left | align=left | | 10.58 | ||
| 6 | align=left | align=left | 10.60 | |||
| 7 | align=left | align=left | | 10.64 | ||
| 8 | align=left | align=left | 10.69 | |||
| Wind: -0.8 m/s | ||||||
30 August
| Rank | Lane | Name | Nationality | Time | Notes | ||
|---|---|---|---|---|---|---|---|
| 7 | align=left | align=left | | 10.27 | |||
| 6 | align=left | align=left | 10.36 | ||||
| 1 | align=left | align=left | 10.37 | ||||
| 4 | 4 | align=left | align=left | 10.41 | |||
| 5 | 8 | align=left | align=left | | 10.43 | ||
| 6 | 3 | align=left | align=left | | 10.45 | ||
| 7 | 2 | align=left | align=left | 10.46 | |||
| 8 | 5 | align=left | align=left | 10.55 | |||
| Wind: 0.0 m/s | |||||||