Johnny Claes
Belgian · 1950–1955
VS

Louis Rosier
French · 1950–1956
As teammates — same car
Race finishesahead
3
11
Qualifyingahead
2
11
Johnny Claes · Louis Rosier
Qualifying compares starting grid position, which covers every era — it includes any grid penalties.
Race H2H
4 — 18
22 shared
Qualifying H2H
3 — 18
21 shared
Championship record
0
World titles
0
0
Runner-up
0
0
Top-3 finishes
0
—
Best championship
P4
Teammate battle by season
2
4
1950
1
6
1951
0
1
1955
Career totals
Johnny Claes Louis Rosier
Championships
0
0
Wins
0
0
Poles
0
0
Podiums
0
2
Fastest laps
0
0
Career points
0
18
Starts
24
38
Rate-adjusted · per start
Johnny Claes Louis Rosier
Win rate
0%
0%
Podium rate
0%
5.3%
Pole rate
0%
0%
Points / start
0.0
0.5
Avg grid
P18.5
P14.3
Avg finish
P13.0
P10.8
Finish rate
58.3%
65.8%
Rates reward peak form; totals reward longevity. Avg grid/finish: lower is better.
Why they retired
Johnny Claes Louis Rosier
Mechanical retirements
5
9
Crash retirements
3
4
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: 2 · 0
Milestones & racecraft
1950
Debut season
1950
—
First win
—
—
First pole
—
—
First title
—
P7
Best finish
P3
+5.6
Avg places gained
+3.5
Season points trajectory
1950 1951 1952 1953 1954 1955 1956
Johnny Claes Louis Rosier
Final points each season — scoring systems changed over the eras.
Track by track
Circuit Johnny Claes Louis Rosier
W · Pod · Best W · Pod · Best
Circuit de Spa-Francorchamps 0 · 0 · P7 0 · 1 · P3
Circuit Bremgarten 0 · 0 · P10 0 · 1 · P3
Silverstone Circuit 0 · 0 · P11 0 · 0 · P5
Autodromo Nazionale di Monza 0 · 0 · — 0 · 0 · P4
Reims-Gueux 0 · 0 · P12 0 · 0 · P6
Nürburgring 0 · 0 · P10 0 · 0 · P5
Circuit de Monaco 0 · 0 · P7 0 · 0 · —
Circuit Park Zandvoort 0 · 0 · P11 0 · 0 · P7
Circuit de Pedralbes 0 · 0 · — 0 · 0 · P7
Rouen-Les-Essarts 0 · 0 · — 0 · 0 · —
Team history
Johnny Claes
LAG
SIM
HWM
GOR
MAS
CON
FER
MAS
Talbot-Lago 1950–1951Simca 1952HWM 1952Gordini 1952Maserati 1953Connaught 1953Ferrari 1955Maserati 1955
Louis Rosier
LAG
FER
MAS
Talbot-Lago 1950–1951Ferrari 1952–1954Maserati 1954–1956
19501956
Johnny Claes → Louis Rosier → Compare others
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).