South Downs Way 100 2026 100 Mile

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South Downs Way 100 2026 100 Mile covers 160.0 km (99.4 mi) with 3,941 m (12,928 ft) of elevation gain through England, United Kingdom. That is about 25 m per km of climbing, and 4,035 m of descent. The course tops out at 243 m and bottoms out at -1 m. The surface is 48% trail, 39% gravel and 10% paved. There is 1 aid station on course; the longest stretch between aid is 159.6 km. The profile has 16 sustained climbs; the biggest is the climb from km 135.5, +213 m over 7.0 km at 3.1% on average (steepest stretch 15%). The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.

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