London 2 Brighton Ultra Challenge

Brighton, United Kingdom • 23-24 May 2026

Event overview

The London 2 Brighton Ultra Challenge is scheduled for 23-24 May 2026. The main continuous route covers approximately 100 km from Richmond, West London to Brighton Racecourse, with an alternative 2-day "daylight" option that splits the route at Turners Hill (58 km / 42 km). Other distance options include quarter, half, 3/4, and loop formats.

Course and distances

  • 100 km - full continuous, ~1500 m climb
  • 100 km - 2-day option (Day 1: 58 km, ~800 m; Day 2: 42 km, ~700 m)
  • ~75 km - Sutton to Brighton, ~1300 m climb
  • ~58 km - Richmond to Turners Hill, ~800 m climb
  • 42 km - Sussex Trail Marathon, Turners Hill to Brighton, ~700 m climb
  • ~25 km - Richmond to Sutton, ~200 m climb
  • ~33 km - Sutton to Turners Hill, ~600 m climb
  • 25 km - Brighton 25 km loop (start/finish Brighton Racecourse)
  • 10 km option also offered

Support and logistics

The event provides rest stops approximately every 12.5 km, with larger marquee rest stops about every 25 km offering catering, seating, welfare and medical cover, and massage teams. The route is fully signed (pink arrows and glow-sticks at night) and uses GPS tracking with a Challenge App. Timing scans record progress at rest stops. Camping packages are available near the halfway point, with showers and chill areas. Shuttle buses and transfers to local stations are provided. Finishers receive a medal, T-shirt, and a finishers meal.

Special categories and fees

Options include an Ultra March (walking targets: 100 km <24 hrs or 50 km <12 hrs) and a Trailblazerz category for faster runners with target times and prizes. Self-fund registration fees (examples): Full 100 km £199, ~75 km £169, ~50 km £139, ~25 km £89, 10 km £39. Charity funding options and multi-event discounts are available. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K UTMB 100K
100 km
Full 2 Day 'daylight' ~100 Km
100 km
Full Continuous ~100 Km
75 km
3/4 Challenge ~75 Km
58 km
1st 1/2 Challenge ~58 Km
Marathon
2nd 1/2 - Sussex Marathon 42 Km
33 km
2nd 1/4 Challenge ~33 Km
25 km
Brighton 25 Km Loop
25 km
1st 1/4 Challenge ~25 Km
Visit the organization's website for the most recent information.
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