1988 - Columbus 300 km

2 October 1988 - Columbus, Ohio Street Circuit, USA

Klaus Ludwig finishes 2nd in a Porsche 962, 3.32 seconds behind the winning Nissan GTP ZX-T driven by Geoff Brabham

Overall - 2nd, 3rd : GTP - 2nd, 3rd

No.	Car	#	Class	Drivers	Entrant	Pos	Class	Grid	Notes
85	Porsche 962	962-109	GTP	Klaus Ludwig (D)	Bayside-Leven Motorsport (USA)	2nd	2nd	19th	81 laps
67	Porsche 962	962-108C	GTP	Bob Wollek (F)/Mauro Baldi (I)	Busby Racing (USA)	3rd	3rd	6th	81 laps
10	Porsche 962	962-F01	GTP	John Hotchkis (USA)/Jim Adams (USA)	Hotchkis Racing Inc. (USA)	9th	9th	14th	78 laps
15	Porsche 962	962-HR2	GTP	John Graham (CDN)/Bernard Jourdain (MEX)	Kalagian Racing	11th	11th	13th	77 laps
30	Porsche 962	962-128	GTP	Gianpiero Moretti (I)/Steve Phillips (USA)	Momo Corse (I)	13th	12th	18th	76 laps
16	Porsche 962	962-120	GTP	Rob Dyson (USA)/Scott Pruett (USA)	Dyson Racing (USA)	18th	13th	11th	75 laps
18	Porsche 962 GTi	962GTi-DR1	GTP	Price Cobb (USA)/James Weaver (GB)	Dyson Racing (USA)	24th	15th	10th	63 laps
86	Porsche 962	962-121	GTP	Bruce Leven (USA)	Bayside-Leven Motorsport (USA)	36th	20th	12th	2 laps - DNF