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Most World Motorcycle Championship race wins in a season

Most World Motorcycle Championship race wins in a season
Who
Giacomo Agostini, Mike Hailwood
What
19 total number
When
01 January 0001
The most World Motorcycle Championship race wins in a season is 19 and is shared by Giacomo Agostini (Italy) in the 1970 season and Mike Hailwood (United Kingdom) in the 1966 season.