The route
Next edition12-13 June 2027
160.8 km along the chalk ridge of southern England, climbing just 3,439 m, starting in two waves.
Drawn with a pen, line by line
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Indicative figures computed by Plotrek on its illustrative route, with altitudes from a terrain model. They may differ from the organiser's.
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South Downs Way 100 follows the chalk ridge of the National Trail bearing its name, across southern England. The start, at Matterley Bowl, runs in two waves, at 5:30 am and 6:30 am.
The trail climbs to its highest point, just 244 m, before passing Linch Down.
It then crosses Washington, then Saddlescombe Farm and Housedean Farm, still along the ridge.
From Southease, it climbs back up to Firle Beacon, then passes Alfriston before reaching Eastbourne. The time limit is 30 hours.
Paths and places: © OpenStreetMap contributors. Altitudes measured on the route.
03 · Your poster
The relief of the course, from Matterley Bowl to Eastbourne Sports Park, takes shape as contour lines: our pen plotter draws it with a pen, line by line. Your finisher name and time go in the title block, in A4, A3 or A2.
Shipped from our workshop in Le Bouscat
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Updated Route and text: Plotrek workshop (Fabrice Jolivet)
Plotrek's illustrative route, redrawn on OpenStreetMap paths, measures 160.8 km and 3,439 m of elevation gain. Start: Matterley Bowl; finish: Eastbourne Sports Park; on the way, Washington at km 89.4. The elevation loss measured on this route is 3,532 m. These figures are indicative; the organiser's rules prevail.
The highest point of Plotrek's route is at 244 m, at km 37.6. The high point lies between two landmarks of the course: Matterley Bowl (99 m, km 0) and Linch Down (231 m, km 57.3). The start is at 99 m, the finish at 7 m.
213 m of elevation gain in one go, from km 136.1 to km 143.2 of Plotrek's route. Landmark on the way: Southease (2 m, km 136.7). No other climb on the 160.8 km course is as long. Average gradient of this section: 3%. It accounts for 6% of the route's elevation gain.
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