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Distance

50KM

Elevation

1,097M

Start Date

Sat, 29th May 2027

Location

Falmer, East Sussex

Cut-off Time

11 Hours

UK Ultra South Downs 50K Ultramarathon

The UK Ultra South Downs 50K ultramarathon offers a focused yet demanding trail race across a notable section of the South Downs National Park. This 50km (31.1 mile) point-to-point event provides a robust test of endurance over the distinctive undulating terrain of the South Downs, concluding on the East Sussex coast.

Course

This 50K ultra starts in Falmer, East Sussex (just outside Brighton) and heads in an easterly direction, tracing a significant segment of the South Downs Way National Trail from Alfriston towards Eastbourne. The terrain is primarily composed of chalky paths, reflecting the geology of the South Downs, interspersed with farm tracks and open grassy sections along exposed ridgelines.

The route is defined by a continuous sequence of ascents and descents, offering a consistent physical challenge. Notable topographical features along this section include scenic views across the Cuckmere Valley and the dramatic final approach over the iconic Seven Sisters cliffs and Beachy Head, preceding the descent to the finish line by the sea. The course's open nature means participants are often exposed to the elements, and the cumulative effect of its rolling hills contributes to its demanding profile for a 50K ultra.

The UK Ultra South Downs 50K is designed for trail runners who seek a substantial challenge over the distinctive undulating terrain of the South Downs National Park, serving as an ideal progression for those new to ultra marathon distances.

For more info, please visit the official race website.

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