Automotodrom Grobnik
Automotodrom Grobnik is a motorsport race track located in Grobnik, Croatia, about north of Rijeka. The circuit was built in 15 months and was opened in 14 September 1978. From 1978 to 1990, it hosted the Yugoslavian motorcycle Grand Prix of Grand Prix motorcycle racing. The circuit was renovated between December 2017 and April 2018.
Currently, among other competitions, the automotodrom hosts the Croatia Prix, which is a valid race for the FIA [Central European Zone Formula 3|FIA CEZ Formula 3] and Circuit Championships.
In 2020, Rijeka also hosted NASCAR Whelen Euro Series rounds as a late replacement for Autodrom Most, whose round was cancelled late in the season due to COVID-19 restrictions. It has featured on the NASCAR Whelen Euro Series calendar also in 2021 and 2022.
Events
; Current- May: Sidecar World Championship, Austria Formula Cup Nagrada Hrvatske, TCR Eastern Europe Touring Car Series, GT Cup Series, Alpe Adria International Motorcycle Championship
- June: Histo-Cup Austria Summer Race Rijeka/Grobnik
- September: Porsche Sprint Challenge Central Europe
- ACCR Formula 4 Trophy
- Formula 750
- Grand Prix motorcycle racing
- * Yugoslavian motorcycle Grand Prix
- Interserie
- Italian GT Championship
- NASCAR Whelen Euro Series
- * ''NASCAR GP Croatia''
World Championship races
| Period | Competition | Class | No. of races |
| 1978–1990 | Grand Prix motorcycle racing | 50cc | 6 |
| 1978–1990 | Grand Prix motorcycle racing | 80cc | 7 |
| 1978–1990 | Grand Prix motorcycle racing | 125cc | 13 |
| 1978–1990 | Grand Prix motorcycle racing | 250cc | 13 |
| 1978–1990 | Grand Prix motorcycle racing | 350cc | 6 |
| 1978–1990 | Grand Prix motorcycle racing | 500cc | 12 |
| 1980, 1990, 1997–1998, 2005–2019, 2021–2022 | FIM Sidecar World Championship | 21 |