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Flat 50K ultra runs in Surrey in December 2026

Find flat 50k ultra runs in Surrey in December 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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Come and join the day of running and aim to complete an ultra marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
  • Sat 26 Dec
  • £33-£35
Egham, Surrey, UK

Boxing Day Challenge | Ultra Marathon

Come and join the day of running and aim to complete an ultra marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!

  • 32 miles trail running
  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over

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