Norton Land Speed Records on the Montlhéry track
Year	Machine	Pilot(s)	Catégory (-ies)
1927	500 cc	Bert Denly	1 hour : 100,57 mph (1st 500 cc to reach a 3 figures speed)
1931	CS1	Bill Lacey	1 hour : 110,8 mph
1935	500 cc - alcohol	Jimmy Guthrie	1 hour : 114,09 mph
1949	350 cc > 500 cc Side car > 600 cc	G. Duke/ Artie Bell/ Eric Oliver	21 records - Side car > 600 cc 1 hour : 95,89 mph
1950	Side car > 600 cc	Eric Oliver	1 hour : 97,04 mph
1953	Silver Fish	Ray Amm/ Eric Oliver	43 records 350 cc 1 hour : 200,36 km 10 miles : 200,13 kmh 10km : 190,577 kmh 50 km :199,9 kmh 50m : 200,46 kmh 100km :200,67 kmh 100m : 200,32 kmh 2h : 393,685 km 500km : 195,31 kmh 3h : 586,558 km 4h : 774,782 km 500m 193,46 kmh 5h : 967,286 km 1000km : 192,06 kmh 6h : 1160,437 km 7h : 1353,584 km 18 records 500 cc 1 hour : 133,71 mph 10 miles : 145,41 mph - track record - last speed record on a single 50 km : 216,7 kmh 50m : 215,51 kmh 100km : 214,85 kmh 100m : 214,65 kmh
1974	Commando 850 roadster	P. Lefevre	production machines 400 m : 11"39 1000m : 24"80 1000m running : 202,702 km/h 10 km : 203,504 km/h 10 km running : 210,280 km/h