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Marathons in UK in December 2025

Find marathons in UK 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 marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
  • Fri 5 Dec
  • £20-£27
Staines, Surrey, UK

The Christmas Jumper Jaunt | Marathon

Join a December midweek marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!

  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
  • Sat 6 Dec
  • £28-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run | Marathon

Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Back to Ferry Meadows Country Park for a festive 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 7 Dec
  • £31-£36
Peterborough, Cambridgeshire, UK

Bauble Bimble

Back to Ferry Meadows Country Park for a festive 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Newcomers
  • Fancy dress
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
  • Sun 7 Dec
  • £41.50
Prestatyn, Clwyd, UK

Sea 2 Summit | Offa's Dyke Full Marathon

The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!

  • Chip timing
  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
Enjoy a festive trip up the Leeds and Liverpool Canal this winter. A challenging and scenic run over towpath, woodland, and fields with joyous distances from 5K to a full marathon.
  • Sun 7 Dec
  • £39-£41
Bingley, West Yorkshire, UK

Do you like my Bingley Baubles | Marathon

Enjoy a festive trip up the Leeds and Liverpool Canal this winter. A challenging and scenic run over towpath, woodland, and fields with joyous distances from 5K to a full marathon.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 302 ft ascent
Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!
  • Sat 13 Dec
  • £39-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 1 | Marathon

Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, head out for more and enjoy some festive fun!
  • Sun 14 Dec
  • £31-£36
Brandon, Suffolk, UK

Twas The Run Before Christmas

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, head out for more and enjoy some festive fun!

  • Newcomers
  • Dogs allowed at venue
  • Fancy dress
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 14 Dec
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 1 | Step into Christmas

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Newcomers
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs road running + 0 ft ascent
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over marathon distance.
  • Sun 14 Dec
  • £39-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 2 | Marathon

An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over marathon distance.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run a cool 1-2 loops instead, depending on how you feel on the day!
  • Sun 14 Dec
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Dec | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run a cool 1-2 loops instead, depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 16 & over
  • 26.2 miles multi terrain running + 5544 ft ascent
Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
  • Sun 14 Dec
  • £22-£34
Durham, County Durham, UK

A Christmas Carol Bobble Hat Run | North | Marathon

Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
It's December, so what better way to finish the year than with a Christmas event? Follow the Windmill Way route over two laps for the marathon distance.
  • Sat 20 Dec
  • £32.50-£37.50
Bury Saint Edmunds, Suffolk, UK

Christmas Canter | Full Marathon

It's December, so what better way to finish the year than with a Christmas event? Follow the Windmill Way route over two laps for the marathon distance.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 26.2 miles road running + 764 ft ascent
Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
  • Sun 21 Dec
  • £27-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run | Wales | Marathon

Welcome to a 7-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Age 18 & over
  • 26.2 miles road running
Come and join the morning of running and aim to complete a marathon at your own pace on a scenic course with Christmas Dinner on route, present, themed medal and goody bag at the finish!
  • Thu 25 Dec
  • £23-£35
Egham, Surrey, UK

Christmas Day Cracker Run | Marathon

Come and join the morning of running and aim to complete a marathon at your own pace on a scenic course with Christmas Dinner on route, present, themed medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
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!
  • Fri 26 Dec
  • £28-£30
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!

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a marathon within the 7-hour time limit, on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!
  • Sat 27 Dec
  • £23-£35
Staines, Surrey, UK

Year End Time Turner | Marathon

Come and join the day of running and aim to complete a marathon within the 7-hour time limit, on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a marathon 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 | Marathon

Come and join the day of running and aim to complete a marathon 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 18 & over
  • 26.2 miles trail running + 0 ft ascent
  • Sat 6 Dec
Swanage, Dorset, UK

EnduranceLife - Dorset | Marathon

  • 27 miles trail running + 4692 ft ascent
  • Sun 7 Dec
Christchurch, Hampshire, UK

New Forest Xmas Trails | Marathon

  • 26.2 miles trail running + 1340 ft ascent
  • Sun 7 Dec
Woodford Green, UK

SITC Dawn To Dusk Ultra | Marathon

  • 26.2 miles road running
  • Sun 7 Dec
Chichester, West Sussex, UK

Running GP at Goodwood Motor Circuit | Marathon

  • 26.2 miles road running
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races | Marathon

  • 26 miles trail running + 3050 ft ascent
  • Sat 13 Dec
Carrickfergus, County Antrim, UK

Early Xmas Run | Marathon

  • 26.2 miles trail running
  • Sun 14 Dec
Sale, Greater Manchester, UK

BigXmas | Marathon

  • 26.2 miles trail running + 317 ft ascent
  • Sat 20 Dec
Tiverton, Devon, UK

Christmas Canter | Marathon

  • 26.2 miles trail running

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