- Date
- 19 September 1971
- Season
- 1971
- Round
- Round 10 of 11
- Circuit
- Mosport International Raceway
Podium
- P1 Jackie Stewart — Tyrrell · 9 pts
- P2 Ronnie Peterson — March-Ford · 6 pts
- P3 Mark Donohue — McLaren · 4 pts
25 drivers classified in the archived result.
The 1971 season
- Italian Grand Prix · Previous · Round 9
- United States Grand Prix · Next · Round 11
An undercut is pitting before your rival, then leapfrogging them on fresh tyres while they are still slow on old rubber.