Maurice Trintignant took an unexpected victory in the 1955 Monaco Grand Prix after Mercedes‘ challenge collapsed and Alberto Ascari plunged into the harbour. Trintignant’s measured drive brought Ferrari home first ahead of Castellotti’s Lancia and the Maserati shared by Behra and Perdisa.
Race Guide
Season: 1955 F1 World Championship
Race date: 22 May 1955
Race start time: Start time unconfirmed local time (UTC+01:00)
Circuit: Circuit de Monaco
Laps: 100 laps
Circuit length: 3.145 km
1950 winner: Juan Manuel Fangio
| Result | Driver / Time | Team |
|---|---|---|
| Pole position | Juan Manuel Fangio | Mercedes |
| Pole time | 1:41.100 | |
| Fastest lap | Juan Manuel Fangio | Mercedes |
| Fastest-lap time | 1:42.400 on lap 27 | |
| First | Maurice Trintignant | Ferrari |
| Second | Eugenio Castellotti | Lancia |
| Third | Jean Behra / Cesare Perdisa | Maserati |
Weekend Schedule
| Date | Session | Local Time |
|---|---|---|
| 19 May 1955 | Thursday timed practice | Start time unconfirmed |
| 20 May 1955 | Friday timed practice | Start time unconfirmed |
| 21 May 1955 | Saturday final qualifying | Start time unconfirmed |
| 22 May 1955 | Race | Start time unconfirmed |
All times are local. The race time is the scheduled start; weather delays and interruptions are described below.
Championship background
Juan Manuel Fangio arrived at round 2 leading the 1955 F1 World Championship on 9 points, with Nino Farina on 3 1/3.
Race entries
Mercedes built short-wheelbase cars for Fangio and Moss, while Lancia brought a strong team including local veteran Chiron. Ferrari mixed newer cars with the older 625, and Hawthorn represented Vanwall. Herrmann’s practice accident forced Mercedes to bring in André Simon, while Perdisa made his championship debut for Maserati.
Thursday timed practice
The opening session moved to the afternoon, and a special rule made it decisive for the front row. Fangio, Ascari and Moss claimed those places as the leading teams compared cars and settings. Hawthorn’s Vanwall had not arrived, and Gordini was also absent. Herrmann crashed heavily, suffering injuries that ended his participation and required Mercedes to arrange a replacement.
Friday timed practice
Hawthorn and the Gordinis joined the early-morning running. Ferrari continued assessing its cars, with Farina preferring the older 625 and Taruffi and Frère trying the remaining entry. Moss found Fangio’s short Mercedes quicker than his own, giving the engineers valuable evidence about weight distribution. Simon began learning the spare Mercedes after being called up for Herrmann.
Saturday final qualifying
Oil from Macklin’s Maserati delayed the session by forty minutes. Once the track cleared, Ascari matched Fangio’s 1:41.1 benchmark and Castellotti also impressed. The front row had already been fixed by Thursday’s rule, however. Macklin and Whiteaway ultimately failed to qualify for the twenty-car field.
Qualifying Classification
Only Thursday’s times determined the front row, an event-specific exception to the usual best-time approach. Later sessions settled the remaining places and allowed further preparation. The classification preserves the official grid rather than treating the weekend as modern knockout qualifying.
| Pos. | No. | Driver | Team | Best Time |
|---|---|---|---|---|
| 1 | 2 | Juan Manuel Fangio | Mercedes | 1:41.100 |
| 2 | 26 | Alberto Ascari | Lancia | 1:41.1 |
| 3 | 6 | Stirling Moss | Mercedes | 1:41.2 |
| 4 | 30 | Eugenio Castellotti | Lancia | 1:42.0 |
| 5 | 34 | Jean Behra | Maserati | 1:42.6 |
| 6 | 36 | Roberto Mieres | Maserati | 1:43.7 |
| 7 | 28 | Luigi Villoresi | Lancia | 1:43.7 |
| 8 | 38 | Luigi Musso | Maserati | 1:44.3 |
| 9 | 44 | Maurice Trintignant | Ferrari | 1:44.4 |
| 10 | 4 | André Simon | Mercedes | 1:45.5 |
| 11 | 40 | Cesare Perdisa | Maserati | 1:45.6 |
| 12 | 18 | Mike Hawthorn | Vanwall | 1:45.6 |
| 13 | 8 | Robert Manzon | Gordini | 1:46.0 |
| 14 | 42 | Nino Farina | Ferrari | 1:46.0 |
| 15 | 48 | Piero Taruffi | Ferrari | 1:46.0 |
| 16 | 12 | Élie Bayol | Gordini | 1:46.5 |
| 17 | 14 | Louis Rosier | Maserati | 1:46.7 |
| 18 | 46 | Harry Schell | Ferrari | 1:46.8 |
| 19 | 32 | Louis Chiron | Lancia | 1:47.3 |
| 20 | 10 | Jacques Pollet | Gordini | 1:49.4 |
| DNQ | 22 | Lance Macklin | Maserati | 1:49.4 |
| DNQ | 24 | Ted Whiteaway | HWM | 1:57.2 |
What happened in the 1955 Monaco Grand Prix?
Fangio and Moss established a Mercedes one-two, with Ascari and Castellotti following. Fangio retired around half-distance with transmission trouble, leaving Moss apparently secure. That advantage disappeared when the second Mercedes suffered engine trouble late in the race.
Ascari then crashed through the chicane barriers into the harbour. He escaped and swam to safety, but the incident removed Lancia‘s leading contender just as Mercedes had fallen away. Trintignant inherited the lead in the older Ferrari and completed the remaining laps without a mistake.
Castellotti finished second, with Behra and Perdisa sharing third. Farina took fourth and Mieres fifth. Fangio retained the fastest-lap point despite retirement. Ascari’s escape was followed by tragedy when he died in a separate testing accident four days later; Monaco proved to be his final Grand Prix.
After the race, Maurice Trintignant headed the drivers’ standings with 11 1/3 points, followed by Juan Manuel Fangio on 10.
1955 Monaco Grand Prix race results
The 1955 Monaco Grand Prix was held on 22 May 1955.
| Pos. | No. | Driver | Team | Laps | Time / Retired | Pts. |
|---|---|---|---|---|---|---|
| 1 | 44 | Maurice Trintignant | Ferrari | 100 | 2:58:09.8 | 8 |
| 2 | 30 | Eugenio Castellotti | Lancia | 100 | + 20.2 | 6 |
| 3 | 34 | Jean Behra / Cesare Perdisa | Maserati | 99 | + 1 lap | 2 / 2 |
| 4 | 42 | Nino Farina | Ferrari | 99 | + 1 lap | 3 |
| 5 | 28 | Luigi Villoresi | Lancia | 99 | + 1 lap | 2 |
| 6 | 32 | Louis Chiron | Lancia | 95 | + 5 laps | 0 |
| 7 | 10 | Jacques Pollet | Gordini | 91 | + 9 laps | 0 |
| 8 | 48 | Piero Taruffi / Paul Frère | Ferrari | 86 | + 14 laps | 0 |
| 9 | 6 | Stirling Moss | Mercedes | 81 | + 19 laps | 0 |
| Ret | 40 | Cesare Perdisa / Jean Behra | Maserati | 86 | Spun off | 0 |
| Ret | 26 | Alberto Ascari | Lancia | 80 | Accident | 0 |
| Ret | 46 | Harry Schell | Ferrari | 68 | Engine | 0 |
| Ret | 36 | Roberto Mieres | Maserati | 64 | Transmission | 0 |
| Ret | 12 | Élie Bayol | Gordini | 63 | Transmission | 0 |
| Ret | 2 | Juan Manuel Fangio | Mercedes | 49 | Transmission | 1 |
| Ret | 8 | Robert Manzon | Gordini | 38 | Gearbox | 0 |
| Ret | 4 | André Simon | Mercedes | 24 | Engine | 0 |
| Ret | 18 | Mike Hawthorn | Vanwall | 22 | Throttle | 0 |
| Ret | 14 | Louis Rosier | Maserati | 8 | Fuel leak | 0 |
| Ret | 38 | Luigi Musso | Maserati | 7 | Transmission | 0 |
| DNQ | 22 | Lance Macklin | Maserati | 0 | ||
| DNQ | 24 | Ted Whiteaway | HWM | 0 | ||
| DNQ | 4 | Hans Herrmann | Mercedes | Driver injured | 0 |
1 point for fastest lap
1955 Monaco Grand Prix Fastest Laps
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 2 | Juan Manuel Fangio | Mercedes | 27 | 1:42.400 |
Only drivers with a recorded lap time appear. One championship point was awarded for fastest lap, divided equally when shared.
1955 Post-Race F1 Championship Standings
Championship standings after the 1955 Monaco Grand Prix.
1955 Post-Race F1 Drivers' Championship Standings
There was no constructors’ championship in this season; the manufacturers’ competition began in 1958.
Drivers counted their best 5 results. The first five places earned 8–6–4–3–2 points, with one further point for fastest lap, shared equally when necessary. Points from shared drives were divided between the eligible drivers; individual allocations are shown in driver order.
1955 Formula 1 Race Calendar
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