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The TP100 is a 100 Mile continuous trail race along the Thames path from London to Oxford. Total Climb: 1900 Feet. 13th annual.
The South Downs 100 miles, is a point to point, trail race through the beautiful South Downs National Park.
The SDW100 is a 100 mile Non-Stop foot race taking in the entire south downs way national trail.
The Phoenix Centaur 100 Mile Ultra - a 100 mile 'beast' with a difference.