Imolan 4 tunnin ajo
Tulokset

| Vuosi | Kuljettajat | Talli | Auto | Pituus/Kesto | Nimi | Mestaruussarja | Raportti |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1954 |  Umberto Maglioli |  Scuderia Ferrari | Ferrari 500 Mondial | 250 km (160 mi) | Gran Premio dell'Autodromo di Imola |  |  |
| 1955 |  Cesare Perdisa |  Officine Alfieri Maserati | Maserati A6GCS | 250 km (160 mi) | Golden Shell Race |  |  |
| 1956 |  Eugenio Castellotti |  Osca | Osca MT4 1500 | 250 km (160 mi) | Gran Premio Shell d'Imola |  |  |
| 1957–1963 | Ei järjestetty | Ei järjestetty | Ei järjestetty | Ei järjestetty | Ei järjestetty | Ei järjestetty |  |
| 1964 |  Franco Patria |  | Abarth-Simca 2000 | 60 km (37 mi) | Coppa Gran Turismo – Trofeo Shell |  |  |
| 1965 |  Herbert Demetz |  Abarth | Abarth-Simca 1300 Bialbero | 3 tuntia | Gran Premio Shell | World Sportscar Championship |  |
1966–1967: Ei järjestetty
| 1968 |  Nino Vaccarella  Teodoro Zeccoli |  Autodelta | Alfa Romeo T33/2 | 500 km (310 mi) | 500 km di Imola |  |  |
| 1969 |  Jacky Ickx |  J.W. Automotive Engineering | Mirage M3/300-Ford | 500 km (310 mi) | 500 km di Imola | Campionato Italiano Sport |  |
| 1970 |  Brian Redman |  J.W. Automotive Engineering | Porsche 917K | 500 km (310 mi) | 500 km di Imola | Campionato Italiano Sport |  |
| 1971 |  Helmut Marko |  K. V. Wendt | Lola T212-Ford | 1 tunti, 30 minuuttia | Coppa di AC Bologna | European 2-Litre Championship Campionato Italiano Sport |  |
| 1972 |  Arturo Merzario |  Ferarri SEFAC | Ferrari 312PB | 500 km (310 mi) | 500 km di Imola | Campionato Italiano Sport |  |
| 1973 |  Chris Craft |  Crowne Racing | Lola T292-Ford | 500 km (310 mi) | Trofeo Benellé | European 2-Litre Championship |  |
| 1974 |  Gérard Larrousse  Henri Pescarolo |  Equipe Gitanes | Matra-Simca MS670C | 1 000 km (620 mi) | 1000 km Imola | World Sportscar Championship Campionato Italiano Sport |  |
1975: Ei järjestetty
| 1976 |  Jochen Mass  Jacky Ickx |  Martini Racing | Porsche 936 | 500 km (310 mi) | Trofeo Ignazio Giunti | World Sportscar Championship (Group 6) Italian Group 6 Championship |  |
| 1977 |  Vittorio Brambilla |  Autodelta SpA | Alfa Romeo T33/SC/12 | 250 km (160 mi) | 250 km Imola | World Sportscar Championship (Group 6) Italian Group 6 Championship |  |
1978–1982: Ei järjestetty
| 1983 |  Teo Fabi  Hans Heyer |  Martini Racing | Lancia LC2 | 6 tuntia | 1000 kilometres di Imola | European Endurance Championship | Raportti |
| 1984 |  Hans-Joachim Stuck  Stefan Bellof |  Brun Motorsport | Porsche 956B | 1 000 km (620 mi) | 1000 kilometres di Imola | World Sportscar Championship Deutsche Rennsport Meisterschaft | Raportti |
1985–2010: Ei järjestetty
2011: Ajettiin 6 tunnin kilpailuna
2012: Ei järjestetty
| 2013 |  Pierre Thiriet  Mathias Beche |  Thiriet by TDS Racing | Oreca 03 | 3 tuntia | 3 Hours of Imola | European Le Mans Series |  |
| 2014 |  Simon Dolan  Harry Tincknell  Filipe Albuquerque |  Jota Sport | Zytek Z11SN | 4 tuntia | 4 Hours of Imola | European Le Mans Series |  |
| 2015 |  Pierre Thiriet  Ludovic Badey  Tristan Gommendy |  Thiriet by TDS Racing | Oreca 05 | 4 tuntia | 4 Hours of Imola | European Le Mans Series |  |
| 2016 |  Mathias Beche  Ryō Hirakawa  Pierre Thiriet |  Thiriet by TDS Racing | Oreca 05 | 4 tuntia | 4 Hours of Imola | European Le Mans Series |  |
2017–2021: Ei järjestetty
| 2022 |  Lorenzo Colombo  Louis Delétraz  Ferdinand Habsburg |  Prema Racing | Oreca 07 | 4 tuntia | 4 Hours of Imola | European Le Mans Series |  |
2023: Kilpailu peruttiin.
| 2024 |  Louis Delétraz  Jonny Edgar  Robert Kubica |  AO by TF | Oreca 07 | 4 tuntia | 4 Hours of Imola | European Le Mans Series |  |
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