1983 - Brainerd 500 km

10 July 1983 - Brainerd International Raceway, USA

Bob Akin & Dennis Aase 4th in a Porsche 935 K3/80, 2 laps behind the winning March 83G driven by Al Holbert and Jim Trueman

Kathy Rude driving the Drax Racing Porsche 935 K3 crashed and suffered horrific injuries which ended her racing career

No.	Car	#	Class	Drivers	Entrant	Pos	Class	Grid	Notes
5	Porsche 935 K3/80	000 00013	GTP	Bob Akin (USA)/Dennis Aase (USA)	Bob Akin Motor Racing (USA)	4th	4th	5th	102 laps
50	Porsche 935 K3/80	000 00010	GTP	Greg Pusey (USA)/Kathy Rude (USA)	Drax Racing	18th	5th	8th	58 laps - Accident
13	Porsche 911		GTU	J. Robert Johnson (USA)/George Wilkie (USA)	Autoworks	21st	6th	22nd	51 laps - DNF
34	Porsche 924 Carrera GTR		GTU	George Drolsom (USA)	Drolsom Racing (USA)	25th	8th	20th	22 laps - DNF