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The challenge comprises a number of events: 15km, 25km and 42km courses for walkers and runners, 30 & 55km courses for mountain bikes and this year they've added an off road Duathlon (15km run - 30km bike - 10km run).
These events take place over a large area of the South Downs and include lengths of the South Downs Way on the longer routes. Fully marshalled routes with water stations provided.