London 2 Brighton Ultra Challenge

Brighton, United Kingdom • 23-24 May 2026

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.

Race information

UTMB 20K UTMB 50K UTMB 100K
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
Visit the organization's website for the most recent information.
Trail runs nearby

Join the STAR Backyard Holmbury St Mary three hour trail challenge on 23 January 2026 and see how many 5 km laps you can complete around Holmbury Hill. A headtorch is required and entry includes a warm bowl of chilli or curry.

Take on the Ashdown Forest 10 and 5 Mile on 25 January 2026 at Pippingford Park, a scenic trail run through rolling forest terrain with rewarding climbs and wide open views. Free parking, medals for all and cash prizes for podium finishers..

Trail running at Amberley Museum in West Sussex with three waymarked routes on the South Downs Way. Distances range from 6 km to 22 km, with on course outposts, a reusable cup policy and free parking.

Join Phoenix Running West Sussex for the Violets Are Blue Valentines Run at Southwater Park. Pick distances from 5 km to ultra, lap the flat compact trail at your own pace with rolling starts and claim a blue Love Spoon medal.