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Flat Marathons in UK in December 2026

Find flat marathons in UK 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 in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
  • Sun 6 Dec
  • £22-£34
Durham, County Durham, UK

The Snow Globe Gallop Bobble Hat Run | North | Marathon

Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!

  • 26.2 miles trail running
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
Come and join the day of running and aim to complete a 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 | Marathon

Come and join the day of running and aim to complete a 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!

  • 26.2 miles trail running
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over

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