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50K ultra runs in Surrey in December 2025

Find 50k ultra runs in Surrey in December 2025 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Join a December midweek run and wear your most over-the-top Christmas jumper if you like!
  • Fri 5 Dec
  • £16-£27
Staines, Surrey, UK

The Christmas Jumper Jaunt

Join a December midweek run and wear your most over-the-top Christmas jumper if you like!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join in Christmas Carol Bobble Hat Run, at this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!
  • Sat 6 Dec
  • £16-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run

Come and join in Christmas Carol Bobble Hat Run, at this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join the morning of running and aim to complete a 50K within the 7-hour time limit on a scenic course with Christmas Dinner each lap, present, themed medal and goody bag at the finish!
  • Thu 25 Dec
  • £23-£35
Egham, Surrey, UK

Christmas Day Cracker Run | 50K

Come and join the morning of running and aim to complete a 50K within the 7-hour time limit on a scenic course with Christmas Dinner each lap, present, themed medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
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!
  • Fri 26 Dec
  • £28-£30
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!

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 32 miles trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a pick-and-mix medal and goody bag at the finish.
  • Sat 27 Dec
  • £23-£35
Staines, Surrey, UK

Year End Time Turner | 50K

Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a pick-and-mix medal and goody bag at the finish.

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Come and join the day of running and aim to complete an ultra within the 6-hour time limit on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!
  • Wed 31 Dec
  • £33-£35
Egham, Surrey, UK

River Thames Run | Ultra Marathon

Come and join the day of running and aim to complete an ultra within the 6-hour time limit on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 20 & over
  • 32 miles trail running + 0 ft ascent

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