Has Jochen Mass won at Circuit de Monaco?

No. Jochen Mass's best result at Circuit de Monaco is P4, in 1977 with McLaren.

How many podiums has Jochen Mass scored at Circuit de Monaco?

0 podiums and 0 pole positions from 6 starts at Circuit de Monaco.

In the 1980 Monaco Grand Prix Jochen Mass finished P4 for Arrows, from P15 on the grid.

Monte Carlo, Monaco

Jochen Mass has raced 6 times at Circuit de Monaco in Monte Carlo, Monaco, scoring 0 wins, 0 podiums and 0 poles. Best finish: P4.

Has Jochen Mass won at Circuit de Monaco?: No. Jochen Mass's best result at Circuit de Monaco is P4, in 1977 with McLaren.
How many podiums has Jochen Mass scored at Circuit de Monaco?: 0 podiums and 0 pole positions from 6 starts at Circuit de Monaco.
How did Jochen Mass do at Circuit de Monaco most recently?: In the 1980 Monaco Grand Prix Jochen Mass finished P4 for Arrows, from P15 on the grid.

Races

Wins

Podiums

Poles

Fastest laps

Best finish

Races span 1974 – 1980. Total points scored at this circuit: 10.

Year	Team	Grid	Finish	Points	Status
1980	Arrows	15	P4	3	+1 Lap
1979	Arrows	8	P6	1	+7 Laps
1977	McLaren	9	P4	3	Finished
1976	McLaren	11	P5	2	+1 Lap
1975	McLaren	15	P6	1	Finished
1974	Surtees	17