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50K ultra runs in London in September 2026

Find 50k ultra runs in London in September 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal!
  • Sat 12 Sep 2026
  • £139
London, UK

Thames Path Ultra Challenge | 1st Half Challenge 50K

The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal!

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Undulating
  • Age 16 & over
  • 50 km trail running + 200 m ascent

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