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Complete Archive of Stefan Bostandjiev


ADAC GT4 Germany Oschersleben						16.5.2021
23		Porsche 718 Cayman GT4 Clubsport MR # - Porsche F6 4v DOHC 3800 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 9^th ; Race 2: 10^th Grid: race 1: 11^th (1:32.0160), race 2: 9^th (1:32.2610)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


ADAC GT4 Germany Red Bull Ring						13.6.2021
23		Porsche 718 Cayman GT4 Clubsport MR # - Porsche F6 4v DOHC 3800 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 12^th ; Race 2: 10^th Grid: race 1: 14^th (1:38.1430), race 2: 13^th (1:37.4150)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown
Photo updated: 20/03/2023		Photo by courtesy of: Štěpán Koutník


ADAC GT4 Germany Sachsenring						3.10.2021
23		Porsche 718 Cayman GT4 Clubsport MR # - Porsche F6 4v DOHC 3800 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 19^th ; Race 2: 13^th Grid: race 1: 14^th (1:28.4520), race 2: 7^th (1:27.2340)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


ADAC GT4 Germany Hockenheim						24.10.2021
23		Porsche 718 Cayman GT4 Clubsport MR # - Porsche F6 4v DOHC 3800 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 8^th ; Race 2: 3^rd Grid: race 1: 9^th (1:47.7300), race 2: 7^th (1:47.3770)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown


ADAC GT4 Germany Nürburgring						7.11.2021
23		Porsche 718 Cayman GT4 Clubsport MR # - Porsche F6 4v DOHC 3800 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 2^nd ; Race 2: 7^th Grid: race 1: 10^th (1:35.1250), race 2: 11^th (1:35.1270)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: unknown
Photo updated: 21/05/2023		Photo by courtesy of: Dieter Gerhards Flickr page of Dieter Gerhards


ADAC GT4 Germany Oschersleben			ADAC GT Masters Oschersleben			24.4.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 14^th ; Race 2: 19^th Grid: race 1: 14^th (1:31.0470), race 2: 24^th (1:31.5390)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Red Bull Ring			ADAC GT Masters Red Bull Ring			22.5.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 19^th ; Race 2: 6^th Grid: race 1: 13^th (1:37.7410), race 2: 20^th (1:36.5750)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli
Photo updated: 21/06/2025		Photo by courtesy of: Štěpán Koutník


ADAC GT4 Germany Zandvoort			ADAC GT Masters Zandvoort			26.6.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing			Closed bodywork
		Overdrive Racing			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 9^th ; Race 2: 16^th Grid: race 1: 14^th (1:43.6980), race 2: 6^th (1:42.5520)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Nürburgring			ADAC GT Masters Nürburgring			7.8.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 11^th ; Race 2: 28^th - did not finish (Collision damage) Grid: race 1: 14^th (1:33.5470), race 2: 13^th (1:33.2070)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Sachsenring			ADAC GT Masters Sachsenring			25.9.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 9^th ; Race 2: 5^th Grid: race 1: 9^th (1:26.5330), race 2: 8^th (1:26.1100)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Hockenheimring			ADAC GT Masters Hockenheimring			23.10.2022
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 8^th ; Race 2: 6^th Grid: race 1: 3^rd (1:46.8500), race 2: 16^th (1:47.5050)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli
Photo updated: 21/06/2025		Photo by courtesy of: Doom Warrior


GT4 European Series Monza			3 Hours of Monza			23.4.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 25^th ; Race 2: 12^th Grid: race 1: 37^th (1:57.5130), race 2: 4^th (1:55.8090)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Oschersleben			DTM Oschersleben			28.5.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 12^th ; Race 2: 14^th Grid: race 1: 17^th (1:30.5660), race 2: 24^th (1:30.4540)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


GT4 European Series Paul Ricard			Circuit Paul Ricard 1000 km			4.6.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 21^st ; Race 2: 18^th Grid: race 1: 34^th (2:14.1960), race 2: 22^nd (2:14.2650)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Zandvoort			DTM Zandvoort			25.6.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 22^nd - did not finish (Collision damage) ; Race 2: did not finish (Mechanical) Grid: race 1: 8^th (1:42.4030), race 2: 9^th (1:42.6560)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli
Photo updated: 26/06/2025		Photo by courtesy of: Marcel Snijders


GT4 European Series Spa			CrowdStrike 24 Hours of Spa			1.7.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 7^th ; Race 2: 13^th Grid: race 1: 23^rd (2:31.1110), race 2: 1^st (2:29.6840)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


GT4 European Series Misano			Fanatec GT World Challenge Europe Misano			16.7.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: did not finish (Puncture) ; Race 2: did not finish (Mechanical) Grid: race 1: 31^st (1:42.1380), race 2: 12^th (1:41.4510)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Nürburgring			DTM Nürburgring			6.8.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 9^th ; Race 2: 9^th Grid: race 1: 15^th (1:33.3400), race 2: 12^th (1:44.6760)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Lausitzring			DTM Lausitzring			20.8.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: did not finish (Collision damage) ; Race 2: did not finish (Mechanical) Grid: race 1: 15^th (1:28.1490), race 2: 10^th (1:28.1820)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


GT4 European Series Hockenheim			Fanatec GT World Challenge Europe Hockenheim			3.9.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: did not finish (Mechanical) ; Race 2: 18^th Grid: race 1: 18^th (1:47.6610), race 2: 4^th (1:47.2520)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


ADAC GT4 Germany Sachsenring			DTM Sachsenring			10.9.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: did not finish (Black flagged) ; Race 2: 13^th Grid: race 1: 16^th (1:26.7640), race 2: 5^th (1:26.2380)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


GT4 European Series Barcelona			3 Hours of Barcelona			1.10.2023
23		Porsche 718 Cayman GT4 RS Clubsport #WP0ZZZ98ZLK299852 - Porsche F6 4v DOHC 3966 cc N/A				Silver
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: 18^th ; Race 2: 15^th Grid: race 1: 30^th (1:49.9880), race 2: 15^th (1:50.0060)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli
Photo updated: 26/06/2025		Photo by courtesy of: Raymond Bonnello


ADAC GT4 Germany Hockenheim			DTM Hockenheim			22.10.2023
23		Porsche 718 Cayman GT4 RS Clubsport # - Porsche F6 4v DOHC 3966 cc N/A				Junior
		Overdrive Racing (BG)			Closed bodywork
		Overdrive Racing (BG)			Mid-engined
		Driven by: Pavel Lefterov (BG)/Stefan Bostandjiev (BG)		Result: Race 1: 24^th - did not finish (Brakes) ; Race 2: 10^th Grid: race 1: 7^th (1:47.0040), race 2: 14^th (1:47.5660)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli


Campionato Italiano GT Monza [GT3]			ACI Racing Weekend Monza			6.10.2024
25		Lamborghini Huracán GT3 Evo2 - Lamborghini V10/90° 4v DOHC 5204 cc N/A				GT3
		Iron Lynx (I)			Closed bodywork
		Iron Lynx (I)			Mid-engined
		Driven by: Stefan Bostandjiev (BG)/Pavel Lefterov (BG)		Result: Race 1: did not finish ; Race 2: 4^th Grid: race 1: 9^th (1:46.0800), race 2: 5^th (1:44.8790)
		Sponsors: unknown			Colours: unknown
		Sponsors: unknown			Tyres: Pirelli

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