The 5 mile course is used for the Opening Race (the Short Distance Handicap and Challenge Race) in September (this is a mass start) and the Midsummer Handicap in June (this is a chasing start).
Course Description (pdf)

Running on Wimbledon Common since 1868
The 5 mile course is used for the Opening Race (the Short Distance Handicap and Challenge Race) in September (this is a mass start) and the Midsummer Handicap in June (this is a chasing start).
Course Description (pdf)