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 2 Day 'daylight'
100 km
Full Continuous
75 km
3/4 Challenge
58 km
1st 1/2 Challenge
Marathon
2nd 1/2 - Sussex Marathon
33 km
2nd 1/4 Challenge
25 km
Brighton Loop
25 km
1st 1/4 Challenge
Visit the organization's website for the most recent information.
Trail runs nearby

A trail marathon in Richmond Park covering 26.2 miles over three laps with start and finish near Sheen Gate. The route is waymarked and supported by drink stations, chip timing, medical cover, marshals and a baggage area.

A trail run and walk through Ealing's parks, greenways and blueways offering 25k and 50k routes. Organised by the charity We Run Ealing, the event starts at Boston Manor Park, finishes at Dicken's Yard, and includes a medal.

A lap-based timed event at Ardingly Reservoir presented by Phoenix Running West Sussex, part of a four-race summer series with nature-inspired medals. Distances range from 5 km to ultra and can be completed as repeated laps within a seven h..

A 10 km trail race at Marlow Rugby Club on May 25, part of the Ales & Trails series, featuring trails, woodland and Thames towpath. Entry includes a medal, a Rebellion pint cup and a free drink at the finish.

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