Ultra runs in South East in December 2025
Find ultra runs in South East in December 2025 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
Next week
Next weekend
Oct
Nov
Jan
Feb
Mar
Apr
May
Jun
Jul
Sep
Autumn
Winter
Spring
Summer
All dates
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 5 Dec
- £16-£27
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
- Sat 6 Dec
- £16-£40
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
- Sun 14 Dec
- £26-£37.50
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
- Thu 25 Dec
- £16-£35
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
- Fri 26 Dec
- £28-£30
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
- Sat 27 Dec
- £16-£35
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
- Wed 31 Dec
- £16-£35
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
- Sun 21 Dec
Portsmouth Coastal Waterside Marathon Events | 50K Ultra
- 50 km multi terrain running