London 2 Brighton Ultra Challenge

MAY
23-24
2026
Run the London to Brighton Ultra Challenge, a scenic trail across the North and South Downs with distances from 100 km to 10 km. Pick a single day or relaxed two day route with rest stops, camping and full support along the way.
23-24 May 2026
100 kilometers 75 kilometers 58 kilometers Marathon 33 kilometers 25 kilometers

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London 2 Brighton Ultra Challenge : 23-24 May 2026

The London 2 Brighton Ultra Challenge is a multi-distance trail event running from Richmond-Upon-Thames to Brighton Racecourse on 23-24 May 2026. The full continuous route is approximately 100 km with about 1,500 m of ascent. The route crosses the North Downs and South Downs and passes through Surrey and Sussex countryside, with Turners Hill as a common halfway point on some options.

  • 100 km
  • ~75 km
  • ~58 km
  • 42 km (Sussex Trail Marathon)
  • ~33 km
  • ~25 km
  • 10 km
  • 25 km Brighton loop

Routes, categories and event services

Several route formats are offered: a single-stage 100 km, a 2-day “daylight” 100 km with an optional campsite at the halfway point (58 km), a 3/4 ~75 km option (Sutton to Brighton), half and quarter distances with specified start and finish locations, and a separate 25 km loop from Brighton Racecourse. Climb details are provided per option (for example the half is ~58 km with ~800 m climb; the 42 km second half has ~700 m climb).

Special categories include an Ultra March walking category and a Trailblazerz competitive running category with event-adjusted target times. Rest stops are provided roughly every 12.5 km with larger stops every 25 km; services include marquee cover, catering (meals and snacks), medical and massage teams, route signage and GPS tracking, shuttle buses, and camping packages. Self-fund registration fees are listed by distance (for example 100 km £199; 50 km £139; 25 km £89; 10 km £39). Charity and mixed funding options are also available. Visit the organization's website for the most recent information.

100 km
Full Challenge
75 km
3/4 Challenge
58 km
1st 1/2 Challenge
Marathon
Sussex Trail Marathon (2nd Half)
33 km
2nd 1/4 Challenge
25 km
Brighton 25 Km Loop
25 km
1st 1/4 Challenge