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Ultra runs in December 2025

Find ultra runs near me 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
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
  • £51.50
Prestatyn, Clwyd, UK

Sea 2 Summit | Offa's Dyke Ultra 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
  • 33 miles trail running
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
  • £54-£56
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 1 | Ultra 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 21 & over
  • 50 km trail running + 59 ft ascent
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!
  • Sun 14 Dec
  • £22-£34
Durham, County Durham, UK

A Christmas Carol Bobble Hat Run | North

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
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
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
  • Sun 14 Dec
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Dec | 40 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.

  • Enter online
  • Hilly
  • Age 16 & over
  • 40 miles multi terrain running + 8464 ft ascent
It's December, so what better way to finish the year than with a Christmas event? Follow two laps of the Windmill Way route plus 5K to make the ultra distance of around 47K.
  • Sat 20 Dec
  • £32.50-£37.50
Bury Saint Edmunds, Suffolk, UK

Christmas Canter | Ultra Marathon

It's December, so what better way to finish the year than with a Christmas event? Follow two laps of the Windmill Way route plus 5K to make the ultra distance of around 47K.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 7 hrs road running + 764 ft ascent
Come and join in at the Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!
  • Sun 21 Dec
  • £16-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run | Wales

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

  • Families
  • Newcomers
  • Event village
  • Park
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
If you prefer to put on a pair of trainers rather than open presents, drink and eat Christmas dinner (or if you want to get a run in before you do all of that) then this is the event for you!
  • Thu 25 Dec
  • £16-£35
Egham, Surrey, UK

Christmas Day Cracker Run

If you prefer to put on a pair of trainers rather than open presents, drink and eat Christmas dinner (or if you want to get a run in before you do all of that) then this is the event for you!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
  • Fri 26 Dec
  • £28-£30
Egham, Surrey, UK

Boxing Day Challenge

Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.

  • Families
  • Newcomers
  • Event village
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Join the final event of the year and see it out with a bang! You can choose the medal you want from a selection from throughout the year!
  • Sat 27 Dec
  • £16-£35
Staines, Surrey, UK

Year End Time Turner

Join the final event of the year and see it out with a bang! You can choose the medal you want from a selection from throughout the year!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
  • Wed 31 Dec
  • £16-£35
Egham, Surrey, UK

River Thames Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.

  • Families
  • Newcomers
  • Event village
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
  • Wed 3 - Sat 13 Dec
San José, Costa Rica

La Transtica

  • Ultra run
  • 100 mile ultra run
  • Sat 6 Dec
Swanage, Dorset, UK

EnduranceLife - Dorset | Ultra

  • 37.2 miles trail running + 7027 ft ascent
  • Sun 7 Dec
Christchurch, Hampshire, UK

New Forest Xmas Trails | 50K Ultra

  • 50 km trail running + 1720 ft ascent
  • Sun 7 Dec
Woodford Green, UK

SITC Dawn To Dusk Ultra | Ultra Marathon

  • 50 km road running
  • Sun 7 Dec
Chichester, West Sussex, UK

Running GP at Goodwood Motor Circuit | 50K

  • 50 km road running
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races | Ultra

  • 34 miles trail running + 5194 ft ascent
  • Sat 20 Dec
Tiverton, Devon, UK

Christmas Canter | Ultramarathon

  • 7 hrs trail running
  • Sun 21 Dec
Southsea, Hampshire, UK

Portsmouth Coastal Waterside Marathon Events | 50K Ultra

  • 50 km multi terrain running
  • Sun 28 Dec
Southampton, Hampshire, UK

Winter X | 50K

  • 50 km trail running + 832 m ascent

Other UK events

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