London 2 Brighton Ultra Challenge

Twickenham, United Kingdom • 29-30 May 2027

London 2 Brighton Ultra Challenge : 29-30 May 2027

The event is a multi-distance trail challenge that runs from Richmond-upon-Thames to the Brighton coast. Routes pass over the North Downs, through Surrey and Sussex countryside to Turners Hill, with the full 100 km route continuing over the South Downs to Brighton.

Distances offered include:

  • 100 km
  • ~50 km
  • 25 km
  • Sussex Trail Marathon
  • Brighton 25 km

Support on the route includes covered rest stops approximately every 12.5 km, with larger marquee stops about every 25 km. Rest stops provide catering, seating, changing areas, medical and welfare tents, and massage and podiatry services. Snacks and drink stops occur every 12.5 km, meals are provided about every 25 km, and dietary requirements are catered for. A timing system scans participants at rest stops and progress is monitored by a control room. Route marking uses pink arrows and glow-sticks at night, and Google route maps and GPS tracking are available through the event app.

Camping is available near the mid-point (around 50 km) for the two-day 100 km option and for 50 km participants, with showers and chill-out areas. Shuttle buses and transfers to local stations and key venues are provided as event extras. Over 400 company teams joined this series in 2025. Registration for 2027 opens 1 July 2027. 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
25 km
Brighton 25km
Visit the organization's website for the most recent information.
Trail runs nearby

A timed multi-lap event on a flat 5.3 km out and back towpath course along the Thames offering distances from 5 km up to ultra with flexible start times, themed ducky incentives and a large spinning medal for finishers.

A four race summer series at Dinton Pastures Country Park offering 5 km, 10 km and a 2 km kids race on a traffic free off road course. The event includes chip timing, marshals, medals and on site first aid.

A low-key Category A fell race inside the M25 held on 19 June 2026, with multiple climbs around Yardley Valley and a finish on Pole Hill overlooking the Lea Valley. Entry is via SPOND and carries a £5 fee.

Beyond London on 20 June 2026 offers a fully signed trail event in London with a 55 km ultra and a 25 km route along the Capital Ring, GPX files, feed stations, chip timing and medical support.

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