F1/Seasons/1971/Round 10
1971 · Round 10 of 11

Canadian Grand Prix

September 19, 1971 · Mosport International Raceway · Ontario · Canada
Stewart
WINNER
Jackie Stewart · Tyrrell · from grid 1
FASTEST LAP
Lap timing starts in 2004. This race has none.
+7
MOST PLACES GAINED
Helmut Marko · grid 19 to P12
16 of 25
CLASSIFIED
9 retired

01/Classification

25 cars
Finishing order
PosDriverConstructorGrid+/-LapsTime / statusPtsFastest lap
1Jackie StewartTyrrell10641:55:13.1009
2Ronnie PetersonMarch-Ford6+464+38.3006
3Mark DonohueMcLaren8+564+1:35.8004
4Denny HulmeMcLaren10+663+1 Lap3
5Reine WisellLotus-Ford7+263+1 Lap2
6François CevertTyrrell3-362+2 Laps1
7Emerson FittipaldiLotus-Ford4-362+2 Laps0
8Jacky IckxFerrari12+462+2 Laps0
9Jo SiffertBRM2-761+3 Laps0
10Chris AmonMatra5-561+3 Laps0
11John SurteesSurtees14+360+4 Laps0
12Helmut MarkoBRM19+760+4 Laps0
13Mario AndrettiFerrari13060+4 Laps0
14Peter GethinBRM16+259+5 Laps0
15George EatonBRM21+659+5 Laps0
16Nanni GalliMarch-Ford20+457+7 Laps0
RMike BeuttlerMarch-Ford2256Not classified0
RPete LovelyLotus-Ford2555Not classified0
RRolf StommelenSurtees2326Overheating0
RJean-Pierre BeltoiseMatra1115Accident0
RSkip BarberMarch-Ford2413Oil pressure0
RClay RegazzoniFerrari187Accident0
RGraham HillBrabham152Accident0
RTim SchenkenBrabham171Ignition0
RHowden GanleyBRM90Accident0

Ordered on the source’s position column and printed from position_text. Those two disagree on purpose: position is a sort key that is never null, and position_text is what happened to the car. 9 of 25 cars here were not classified (9 retired). Across the archive that is 9,612 of 26,048 result rows, so a page that printed the sort key would tell more than a third of every field it finished.


02/Grid to finish

16 of 25 cars
Grid minus finishing position
PLACES GAINED
DriverConstructorGridFin+/-
Helmut MarkoBRM1912+7
Denny HulmeMcLaren104+6
George EatonBRM2115+6
Mark DonohueMcLaren83+5
Ronnie PetersonMarch-Ford62+4
PLACES LOST
DriverConstructorGridFin+/-
Jo SiffertBRM29-7
Chris AmonMatra510-5
François CevertTyrrell36-3
Emerson FittipaldiLotus-Ford47-3

Movement is grid minus finishing position, and it is computed for 16 of the 25 cars entered. It is left blank for the other 9: a car that was not classified has no finishing position to subtract from, and no car here carries grid 0, the value the source uses for a pit lane start or for no recorded grid slot. Scoring a grid of 0 as a gain of every place on the grid is the arithmetic this rule exists to stop; 266 of 26,048 rows across the archive are grid 0, and 40 of those were classified.


03/The 1971 season

11 rounds
MAR 6 to OCT 3
RdDateGrand PrixCircuitWinnerConstructorCars
1MAR 6South African Grand PrixKyalamiMario AndrettiFerrari25
2APR 18Spanish Grand PrixMontjuïcJackie StewartTyrrell22
3MAY 23Monaco Grand PrixCircuit de MonacoJackie StewartTyrrell18
4JUN 20Dutch Grand PrixCircuit Park ZandvoortJacky IckxFerrari23
5JUL 4French Grand PrixCircuit Paul RicardJackie StewartTyrrell23
6JUL 17British Grand PrixSilverstone CircuitJackie StewartTyrrell24
7AUG 1German Grand PrixNürburgringJackie StewartTyrrell22
8AUG 15Austrian Grand PrixRed Bull RingJo SiffertBRM22
9SEP 5Italian Grand PrixAutodromo Nazionale di MonzaPeter GethinBRM24
10SEP 19Canadian Grand PrixMosport International RacewayJackie StewartTyrrell25
11OCT 3United States Grand PrixWatkins GlenFrançois CevertTyrrell29

Every figure here is one race, read from f1_results and f1_races. The finishing order is the source’s position column; the printed position is position_text, which is a letter on 9,612 of 26,048 rows across the archive (R retired 9,089, W withdrew 364, D disqualified 159). Grid 0 is a pit lane start and prints as PIT, not as a place ahead of pole; 266 of 26,048 rows are grid 0. Time is a total for the winner and a gap to the car ahead for everyone else, and it is present on 8,508 of 26,048 rows only, so most of the archive shows the status instead; where both exist and the status is not “Finished” the status is printed beside the time, because 8,335 of 16,436 classified rows finished lapped or otherwise not cleanly. The fastest lap column is empty before 2004: the source carries lap timing on 8,977 of 26,048 rows and a ranked fastest lap in 447 of 1,161 races, and speed on 8,238 of those, none after 2024. Points are printed as the source stores them and are never rounded to a whole number: 38 of 26,048 rows are fractional (0.5, 1.33, 3.14), which is half points for a shortened race and a split score for a shared car, and every one of them is real. Three races (1951 French, 1956 Argentine, 1957 British) print two cars as first, because two drivers shared one car and the record books credit both; in those three the source hangs the race points on other rows, which is why 5 of 1,164 winning rows across the archive print zero points. Constructors carry no logo in any f1_* table, so none is drawn and none is invented. The 1971 season is complete at 11 rounds.