As teammates — same car
Race finishesahead
Qualifyingahead
Jo Bonnier · Masten Gregory
Qualifying compares starting grid position, which covers every era — it includes any grid penalties.
Race H2H
26
—
14
40 shared
Qualifying H2H
23
—
12
35 shared
Championship record
0
World titles
0
0
Runner-up
0
0
Top-3 finishes
0
P8
Best championship
P6
Finished ahead in the standings:
2 · 0
1959
P8
1962
P15
Teammate battle by season
0
2
1957
2
0
1958
Career totals
Jo Bonnier
Masten Gregory
Championships
0
0
Wins
1
0
Poles
1
0
Podiums
1
3
Fastest laps
0
0
Career points
39
21
Starts
106
42
Rate-adjusted · per start
Jo Bonnier
Masten Gregory
Win rate
0.9%
0%
Podium rate
0.9%
7.1%
Pole rate
0.9%
0%
Points / start
0.4
0.5
Avg grid
P12.1
P12.1
Avg finish
P11.7
P12.7
Finish rate
48.1%
61.9%
Rates reward peak form; totals reward longevity. Avg grid/finish: lower is better.
Why they retired
Jo Bonnier
Masten Gregory
Mechanical retirements
45
15
Crash retirements
3
0
Classified from the finishing status. Mechanical covers car failures, crash covers accidents, collisions and damage — fewer is better on both.
Retirements with an unclear cause: 7 · 1
Milestones & racecraft
1956
Debut season
1957
1959 · aged 29
First win
—
1959
First pole
—
—
First title
—
P1
Best finish
P2
+0.5
Avg places gained
+0.6
Season points trajectory
Jo Bonnier
Masten Gregory
Final points each season — scoring systems changed over the eras.
Track by track
| Circuit | Jo Bonnier | Masten Gregory |
|---|---|---|
| W · Pod · Best | W · Pod · Best | |
| W · Pod · Best W · Pod · Best | ||
| Circuit Park Zandvoort | 1 · 1 · P1 | 0 · 1 · P3 |
| Jo Bonnier 1 · 1 · P1 0 · 1 · P3 Masten Gregory | ||
| Circuit de Monaco | 0 · 0 · P5 | 0 · 1 · P3 |
| Jo Bonnier 0 · 0 · P5 0 · 1 · P3 Masten Gregory | ||
| Monsanto Park Circuit | 0 · 0 · — | 0 · 1 · P2 |
| Jo Bonnier 0 · 0 · — 0 · 1 · P2 Masten Gregory | ||
| Autodromo Nazionale di Monza | 0 · 0 · P6 | 0 · 0 · P4 |
| Jo Bonnier 0 · 0 · P6 0 · 0 · P4 Masten Gregory | ||
| Circuit de Spa-Francorchamps | 0 · 0 · P5 | 0 · 0 · P10 |
| Jo Bonnier 0 · 0 · P5 0 · 0 · P10 Masten Gregory | ||
| Nürburgring | 0 · 0 · P6 | 0 · 0 · P8 |
| Jo Bonnier 0 · 0 · P6 0 · 0 · P8 Masten Gregory | ||
| Watkins Glen | 0 · 0 · P6 | 0 · 0 · P6 |
| Jo Bonnier 0 · 0 · P6 0 · 0 · P6 Masten Gregory | ||
| Reims-Gueux | 0 · 0 · P7 | 0 · 0 · P9 |
| Jo Bonnier 0 · 0 · P7 0 · 0 · P9 Masten Gregory | ||
| Silverstone Circuit | 0 · 0 · P7 | 0 · 0 · P11 |
| Jo Bonnier 0 · 0 · P7 0 · 0 · P11 Masten Gregory | ||
| Autódromo Hermanos Rodríguez | 0 · 0 · P5 | 0 · 0 · — |
| Jo Bonnier 0 · 0 · P5 0 · 0 · — Masten Gregory | ||
| Aintree | 0 · 0 · P5 | 0 · 0 · P7 |
| Jo Bonnier 0 · 0 · P5 0 · 0 · P7 Masten Gregory | ||
| Autódromo Juan y Oscar Gálvez | 0 · 0 · P7 | 0 · 0 · P12 |
| Jo Bonnier 0 · 0 · P7 0 · 0 · P12 Masten Gregory | ||
| Circuito da Boavista | 0 · 0 · — | 0 · 0 · — |
| Jo Bonnier 0 · 0 · — 0 · 0 · — Masten Gregory | ||
| Rouen-Les-Essarts | 0 · 0 · — | 0 · 0 · — |
| Jo Bonnier 0 · 0 · — 0 · 0 · — Masten Gregory | ||
| Pescara Circuit | 0 · 0 · — | 0 · 0 · P4 |
| Jo Bonnier 0 · 0 · — 0 · 0 · P4 Masten Gregory | ||
| Ain Diab | 0 · 0 · P4 | 0 · 0 · P6 |
| Jo Bonnier 0 · 0 · P4 0 · 0 · P6 Masten Gregory | ||
| AVUS | 0 · 0 · P5 | 0 · 0 · — |
| Jo Bonnier 0 · 0 · P5 0 · 0 · — Masten Gregory | ||
Team history
Jo Bonnier
Maserati 1956–1958BRM 1958–1960Porsche 1961–1962Cooper-Climax 1963–1964Brabham-BRM 1964Brabham-Climax 1964–1965Cooper-Maserati 1966Brabham-Climax 1966Cooper-Maserati 1967–1968Honda 1968McLaren-BRM 1968Lotus-Ford 1969McLaren-Ford 1970McLaren 1971
Masten Gregory
Maserati 1957–1958Cooper-Climax 1959Cooper-Maserati 1960Behra-Porsche 1960Cooper-Climax 1961Lotus-Climax 1961–1962Lotus-BRM 1962Lola 1963Lotus-BRM 1963BRM 1965
19561971
Basis
Head-to-head counts races where both drivers were classified, compared by final position (post-penalty). Teammate section counts only seasons in the same car. Career totals mirror the source data. Data: Jolpica-F1 (CC BY-NC-SA 4.0).