London 2 Brighton Ultra Challenge

Twickenham, United Kingdom • 23-24 May 2026

London 2 Brighton Ultra Challenge

The event is a long distance trail challenge running from Richmond upon Thames toward the Brighton coast. Route options include multiple distances and formats offered on a single weekend event for around 2,000 participants.

Available distances and formats:

  • 100 km
  • ~50 km
  • 25 km
  • Sussex Trail Marathon
  • Brighton 25 km
  • Solo start option, Ultra March option, Trailblazerz option

The route crosses the North Downs through Surrey and Sussex countryside to Turners Hill as a midpoint. The full 100 km route continues over the South Downs before reaching the Brighton coastline. The start is at Richmond upon Thames. Camping is provided near the halfway area for two day options and there are transfer services between key venues.

Support on route includes covered rest stops approximately every 12.5 km with major stops every 25 km. Rest stops have marquee cover, catering, seating, changing rooms, and medical and massage teams. The event uses a signed route with many markers and glow sticks at night and a GPS tracking app with timing scans at rest stops to log progress.

Food and drink are supplied at regular intervals with meals around every 25 km and snacks every 12.5 km. Finishers receive a medal, a T shirt, a glass of fizz and an official event certificate. Shuttle buses and parking are available at many finish locations. Visit the organization's website for the most recent information.

Race information

100 km
Full Challenge
50 km
Half Challenge
Marathon
Sussex Trail Marathon
25 km
Quarter Challenge (brighton 25km)
Visit the organization's website for the most recent information.
Trail runs nearby

A mixed terrain half marathon, 10K and junior race take place along the Thames at Remenham Farm on 11 April 2026. The event features waymarked trails, chip timing and a race village with food and post race goodies.

Experience a guided marathon through the beautiful Chiltern Hills with expert navigation and support. Run iconic trails like the Ridgeway in a small group setting led by qualified leaders.

Experience the beauty of ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or half marathon distance through scenic trails featuring natural forest terrain and muddy paths.

Outrun Archway offers recurring, in-person trail runs at Whittington Park in north London. Led by queer folks, the sessions prioritize a space for all paces and typically cover about 6k on unpaved surfaces.

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