As teammates — same car
Race finishesahead
Qualifyingahead
Pat O'Connor · Duke Dinsmore
Qualifying compares starting grid position, which covers every era — it includes any grid penalties.
Race H2H
0
—
1
1 shared
Qualifying H2H
1
—
0
1 shared
Championship record
0
World titles
0
0
Runner-up
0
0
Top-3 finishes
0
—
Best championship
—
Teammate battle by season
0
1
1956
Career totals
Pat O'Connor
Duke Dinsmore
Championships
0
0
Wins
0
0
Poles
1
0
Podiums
0
0
Fastest laps
0
0
Career points
0
0
Starts
5
4
Rate-adjusted · per start
Pat O'Connor
Duke Dinsmore
Win rate
0%
0%
Podium rate
0%
0%
Pole rate
20%
0%
Points / start
0.0
0.0
Avg grid
P8.0
P20.5
Avg finish
P16.8
P22.5
Finish rate
60%
50%
Rates reward peak form; totals reward longevity. Avg grid/finish: lower is better.
Why they retired
Pat O'Connor
Duke Dinsmore
Mechanical retirements
0
2
Crash retirements
2
0
Classified from the finishing status. Mechanical covers car failures, crash covers accidents, collisions and damage — fewer is better on both.
Milestones & racecraft
1954
Debut season
1950
—
First win
—
1957
First pole
—
—
First title
—
P8
Best finish
P16
-8.8
Avg places gained
-2.0
Season points trajectory
Pat O'Connor
Duke Dinsmore
Final points each season — scoring systems changed over the eras.
Track by track
| Circuit | Pat O'Connor | Duke Dinsmore |
|---|---|---|
| W · Pod · Best | W · Pod · Best | |
| W · Pod · Best W · Pod · Best | ||
| Indianapolis Motor Speedway | 0 · 0 · P8 | 0 · 0 · P16 |
| Pat O'Connor 0 · 0 · P8 0 · 0 · P16 Duke Dinsmore | ||
Team history
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).