| Ernesto Bonacina | |
| Nationality: | Italian |
| Sport: | Athletics |
| Event: | Sprint |
| Club: | Sport Club Italia |
| Birth Date: | 12 November 1902 |
| Birth Place: | Milan, Italy |
| Pb: |
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| Country: | Italy |
Ernesto Bonacina (12 November 1902 - 4 September 1944) was an Italian sprinter.[1]
He competed in the men's 100 metres and the 4 × 100 metres relay events at the 1924 Summer Olympics.[2] He had three caps for the national team from 1924 to 1928.[3] His personal best in the 100 metres was 10.8 established in 1926. His athletic club was Sport Club Italia.
Bonacina won three team relay events at the national championship.[4] On 16 June 1918 he won the Race of Sesto San Giovanni in Milan organized by Club Audace. Second place went to Italo Vacher while Pietro Sperti was third.[5]
| Year | Competition | Venue | Position | Event | Performance | Note |
|---|---|---|---|---|---|---|
| 1924 | Olympic Games | 100 metres | 11.2 | |||
| 4×100 metres relay | at one metre to second |