Forza Motorsport 5
98 Achievements
1,400
177-236h
Xbox One
Xbox Series
Golden Century
Earn 100 gold medals in Career races.
20
5.25%
How to unlock the Golden Century achievement in Forza Motorsport 5 - Definitive Guide
Presuming you start at the beginning and race all available series in order, skipping the bonus races, and either earn gold or restart each race until you do so, this will unlock after the seventh race in the Modern Grand Touring Championship Series. This is a Circuit Race at Prague where you are driving an A-Class car.