The 6th Ulster Trophy was a non-championship Formula One motor race held at the Dundrod Circuit on 7 June 1952. The race was won from pole position by Piero Taruffi in a Ferrari 375, setting fastest lap in the process. Mike Hawthorn in a Cooper T20-Bristol was second and Joe Kelly third in an Alta GP.^[1][2]

Pos	No	Driver	Entrant	Car	Time/Retired	Grid
1	1	Piero Taruffi	G.A. Vandervell	Ferrari 375	3:05:47.0, 81.71mph	1
2	16	Mike Hawthorn	L.D. Hawthorn	Cooper T20-Bristol	+3:26.4	2
3	14	Joe Kelly	J. Kelly	Alta GP	+6:55.0	5
4	20	Louis Rosier	Ecurie Rosier	Ferrari 375	+8:26.6	3
5	12	Philippe Étancelin	Philippe Étancelin	Talbot-Lago T26C	+1 lap	8
6	17	Oscar Moore	Oscar Moore	HWM-Jaguar	+3 laps	10
Ret	7	Juan Manuel Fangio	British Racing Motors	BRM P15	25 laps, engine	121
Ret	10	Ron Flockhart	Alba Union	ERA A-Type	18 laps, no fuel	6
Ret	3	Yves Giraud-Cabantous	Y. Giraud-Cabantous	Talbot-Lago T26C	14 laps, engine	4
Ret	8	Stirling Moss	British Racing Motors	BRM P15	3 laps. engine	131
Ret	18	Geoff Richardson	G. Richardson	RRA-ERA	3 laps, clutch	7
Ret	6	B. Bira	Prince Bira	Maserati 4CLT/48	0 laps, crash	11
DSQ	4	Bobbie Baird	B. Baird	Baird-Griffin-Maserati	22 laps, oil leak	9
DNS	2	Graham Whitehead	G. Whitehead	ERA B-Type		-
DNA	5	David Griffin		Ferrari 125		-
DNA	11	Jimmy Somervail	Border Reivers	ERA B-Type		-
DNA	15	Hector Graham		Duesenberg		-
DNA	19	Johnny Claes	Ecurie Belge	Talbot-Lago T26C		-

¹Neither Fangio nor Moss recorded a time but were allowed to start from the rear of the grid.