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Ultra Challenge London 2 Brighton Challenge

Richmond upon Thames, LondonSat, 29 May – Sun, 30 May 2027

Capital to coast: a hundred kilometres from Richmond over the North and South Downs to Brighton, the original Ultra Challenge.

DistanceAscentPer km
100km1,500 m15 m
75km1,300 m17 m
58km 1st Half800 m14 m
42 km Sussex Trail Marathon700 m17 m
33km 2nd Quarter——
25km——
chalkdownlandMarked course

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No reviews of the London 2 Brighton Challenge, and nothing on what people wore. Both are things no organiser publishes and every runner wants before they enter — how it actually went, and what was on your feet.

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Start time not confirmed yet — check with the organiser.

What you’re in for

The original Ultra Challenge: Richmond to Brighton Racecourse, 100km through Surrey and Sussex with about 1,500m of climb on the organiser's figures — out along the Thames and through the suburbs, over the North Downs to Turners Hill at halfway, then across the Weald and over the South Downs to the coast. The 58km first half stops at Turners Hill; the 42km second half is sold as the Sussex Trail Marathon; there is a 75km from Sutton and 25km and 33km quarters. Late May, through Saturday night for the continuous distance. An Ultra Challenge event, which means walkers, joggers and runners on the same course, signed with pink arrows and glow sticks after dark, with a covered rest stop every twelve kilometres or so — food, drink, medics, toilets — and a bigger one every twenty-five. Runners can enter with a target time; most of the field will be walking.

Terrain and trail

Towpath and pavement out of London, chalk track and woodland over the North Downs, Wealden clay field path through the middle — the muddy bit — and one long grassy climb onto the South Downs before the drop to the racecourse. Signed. A road shoe with tread, or a light trail shoe if the spring has been wet.

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How to enter

Sat, 29 May – Sun, 30 May 2027 · Entries open

Enter on their website ↗

Entries are handled by Ultra Challenge, not by us. We take nothing for sending you there.

Add to your calendar · as an all-day entry, until the start time is confirmed

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Common questions

The London 2 Brighton Challenge offers 6 distances: 100km (62.1 miles), 75km (46.6 miles), 58km 1st Half (36.0 miles), Sussex Trail Marathon (42.0 km / 26.1 miles), 33km 2nd Quarter (20.5 miles), 25km (15.5 miles).