Gregory Masten
| NAZIONALITA’ STATI UNITI |
| NATO 29/02/1932 a Kansas City Morto 8/11/1985 a Porto Ercole (crisi cardiaca) |
| DEBUTTO 1957 Montecarlo (Maserati) |
| GP DISPUTATI 38 |
| NON QUALIFICATO 3 NON PARTITO 3 FORFAIT 3 |
| VITTORIE |
| POLE POSITION |
| GIRI VELOCI |
| PODI 3 |
| PUNTI TOTALI 21 |
| Anno | Gran Premio | Squadra | N° | Costruttore | Motore | |||
| 1957 | Monaco | Scuderia Centro Sud | 2 | Maserati | 250F | Maserati | 10 | 3 |
| Germania | Scuderia Centro Sud | 16 | Maserati | 250F | Maserati | 10 | 8 | |
| Pescara | Scuderia Centro Sud | 14 | Maserati | 250F | Maserati | 7 | 4 | |
| Italia | Scuderia Centro Sud | 26 | Maserati | 250F | Maserati | 11 | 4 | |
| 1958 | Argentina | Scuderia Centro Sud | 24 | Maserati | 250F | Maserati | f | |
| Olanda | Scuderia Centro Sud | 12 | Maserati | 250F | Maserati | 14 | ab | |
| Belgio | Scuderia Centro Sud | 30 | Maserati | 250F | Maserati | 9 | ab | |
| Gran Bretagna | Owen Racing Organisation | 21 | BRM | P25 | BRM | f | ||
| Italia | Scuderia Centro Sud | 32 | Maserati | 250F | Maserati | 11 | 4 | |
| Marocco | Temple Buell | 22 | Maserati | 250F | Maserati | 13 | 6 | |
| 1959 | Monaco | Cooper Car Company | 26 | Cooper | T51 | Climax | 11 | ab |
| Olanda | Cooper Car Company | 9 | Cooper | T51 | Climax | 7 | 3 | |
| Francia | Cooper Car Company | 10 | Cooper | T51 | Climax | 7 | ab | |
| Gran Bretagna | Cooper Car Company | 14 | Cooper | T51 | Climax | 5 | 7 | |
| Germania | Cooper Car Company | 3 | Cooper | T51 | Climax | 5 | ab | |
| Portogallo | Cooper Car Company | 2 | Cooper | T51 | Climax | 3 | 2 | |
| 1960 | Argentina | Camoradi International | 2 | Porsche | Behra | Porsche | 16 | 12 |
| Monaco | Scuderia Centro Sud | 40 | Cooper | T51 | Maserati | nq | ||
| Olanda | Scuderia Centro Sud | 19 | Cooper | T51 | Maserati | 10 | np | |
| Francia | Scuderia Centro Sud | 40 | Cooper | T51 | Maserati | 17 | 9 | |
| Gran Bretagna | Scuderia Centro Sud | 16 | Cooper | T51 | Maserati | 14 | 14 | |
| Portogallo | Scuderia Centro Sud | 30 | Cooper | T51 | Maserati | 11 | ab | |
| 1961 | Monaco | Camoradi International | 14 | Cooper | T53 | Climax | nq | |
| Olanda | Camoradi International | 17 | Cooper | T53 | Climax | np | ||
| Belgio | Camoradi International | 44 | Cooper | T53 | Climax | 12 | 10 | |
| Francia | Camoradi International | 36 | Cooper | T53 | Climax | 16 | 12 | |
| Gran Bretagna | Camoradi International | 42 | Cooper | T53 | Climax | 16 | 11 | |
| Germania | Camoradi International | 12 | Cooper | T53 | Climax | f | ||
| Italia | UDT Laystall Racing Team | 22 | Lotus | 18/21 | Climax | 17 | ab | |
| Stati Uniti | UDT Laystall Racing Team | 22 | Lotus | 18/21 | Climax | 11 | 11 | |
| 1962 | Olanda | UDT Laystall Racing Team | 10 | Lotus | 18/21 | Climax | 16 | ab |
| Monaco | UDT Laystall Racing Team | 32 | Lotus | 24 | BRM | nq | ||
| Belgio | UDT Laystall Racing Team | 21 | Lotus | 24 | BRM | 8 | ab | |
| Francia | UDT Laystall Racing Team | 34 | Lotus | 24 | BRM | 7 | ab | |
| Gran Bretagna | UDT Laystall Racing Team | 34 | Lotus | 24 | BRM | 14 | 7 | |
| Italia | UDT Laystall Racing Team | 38 | Lotus | 24 | BRM | 6 | 12 | |
| Stati Uniti | UDT Laystall Racing Team | 16 | Lotus | 24 | BRM | 7 | 6 | |
| 1963 | Francia | RHH Parnell | 48 | Lotus | 24 | BRM | 17 | ab |
| Gran Bretagna | Reg Parnell Racing | 21 | Lotus | 24 | BRM | 22 | 11 | |
| Germania | Reg Parnell Racing | 19 | Lotus | 24 | BRM | f | ||
| Italia | Tim Parnell | 42 | Lotus | 24 | BRM | 12 | ab | |
| Stati Uniti | Reg Parnell Racing | 17 | Lola | Mk 4A | Climax | 8 | ab | |
| Messico | Reg Parnell Racing | 17 | Lola | Mk 4A | Climax | 14 | ab | |
| 1965 | Belgio | Scuderia Centro Sud | 29 | BRM | P57 | BRM | 20 | ab |
| Gran Bretagna | Scuderia Centro Sud | 12 | BRM | P57 | BRM | 19 | 12 | |
| Germania | Scuderia Centro Sud | 24 | BRM | P57 | BRM | 18 | 8 | |
| Italia | Scuderia Centro Sud | 48 | BRM | P57 | BRM | 23 | ab |
Gare fuori campionato
| Anno | Gran Premio | Squadra | Telaio | Motore | Pos | |
|---|---|---|---|---|---|---|
| 1957 | Gran Premio Ciudad de Buenos Aires | Scuderia Ferrari | Ferrari | D50 | Ferrari | ab |
| Grand Prix de Pau | Scuderia Centro Sud | Maserati | 250F | Maserati | 4 | |
| Gran Premio di Napoli | Scuderia Centro Sud | Maserati | 250F | Maserati | 5 | |
| Grand Prix de Reims | Scuderia Centro Sud | Maserati | 250F | Maserati | 7 | |
| Gran Premio di Modena | Scuderia Centro Sud | Maserati | 250F | Maserati | f | |
| 1958 | Gran Premio di Siracusa | Scuderia Centro Sud | Maserati | 250F | Maserati | ab |
| International Trophy | Scuderia Centro Sud | Maserati | 250F | Maserati | 3 | |
| 1959 | Glover Trophy | Cooper Car Company | Cooper | T51 | Climax | 5 |
| BARC 200 | Cooper Car Company | Cooper | T51 | Climax | ab | |
| International Trophy | Cooper Car Company | Cooper | T51 (F2) | Climax | 14 | |
| 1960 | Gran Premio Ciudad de Buenos Aires | Camoradi International | Porsche | Behra | Porsche | ab |
| Silver City Trophy | Scuderia Centro Sud | Cooper | T51 | Maserati | ab | |
| International Gold Cup | Scuderia Centro Sud | Cooper | T51 | Maserati | ab | |
| 1961 | Grand Prix de Pau | Camoradi International | Cooper | T53 | Climax | f |
| BARC 200 | Camoradi International | Cooper | T53 | Climax | 5 | |
| International Trophy | Camoradi International | Cooper | T51 | Climax | f | |
| Guard´s Trophy | UDT Laystall Racing Team | Lotus | 18/21 | Climax | ab | |
| Danmarks Grand Prix | UDT Laystall Racing Team | Lotus | 18 | Climax | ab | |
| Gran Premio di Modena | UDT Laystall Racing Team | Lotus | 18 | Climax | nc | |
| International Gold Cup | UDT Laystall Racing Team | Lotus | 18 | Climax | 5 | |
| Rand Grand Prix | British Racing Partnership | Lotus | 18 | Climax | ab | |
| Natal Grand Prix | British Racing Partnership | Lotus | 18 | Climax | ab | |
| South African Grand Prix | British Racing Partnership | Lotus | 18 | Climax | ab | |
| 1962 | Grand Prix du Cap | British Racing Partnership | Lotus | 18/21 | Climax | 4 |
| Grand Prix de Bruxelles | UDT Laystall Racing Team | Lotus | 18/21 | Climax | ab | |
| Lombank Trophy | UDT Laystall Racing Team | Lotus | 18/21 | Climax | ab | |
| Glover Trophy | UDT Laystall Racing Team | Lotus | 18/21 | Climax | 5 | |
| BARC 200 | UDT Laystall Racing Team | Lotus | 18/21 | Climax | ab | |
| International Trophy | UDT Laystall Racing Team | Lotus | 24 | Climax | 8 | |
| International 2000 Guineas | UDT Laystall Racing Team | Lotus | 18 | Climax | 5 | |
| Grand Prix de Reims | UDT Laystall Racing Team | Lotus | 24 | BRM | ab | |
| Kanonloppet | UDT Laystall Racing Team | Lotus | 24 | BRM | 1 | |
| Danmarks Grand Prix | UDT Laystall Racing Team | Lotus | 24 | BRM | 2 | |
| International Gold Cup | UDT Laystall Racing Team | Lotus | 24 | BRM | 6 | |
| 1963 | Kanonloppet | RHH Parnell | Lotus | 24 | BRM | 6 |
| International Gold Cup | RHH Parnell | Lotus | 24 | BRM | ab | |
| 1964 | Gran Premio di Siracusa | Scuderia Centro Sud | BRM | P57 | BRM | 6 |
| 1965 | Race of Champions | Scuderia Centro Sud | BRM | P57 | BRM | ab |
| Gran Premio di Siracusa | Scuderia Centro Sud | BRM | P57 | BRM | ab | |
| Gran Premio del Mediterraneo | Scuderia Centro Sud | BRM | P57 | BRM | dsq |
