Ultra runs in South East in December 2025
Find ultra runs near me in South East in December 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
Filter by month
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 5 Dec
- £20-£27
The Christmas Jumper Jaunt | 50K
Join a December midweek 50K and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
- Enter online
- Flat
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 5 Dec
- £20-£27
The Christmas Jumper Jaunt | Ultra Marathon
Join a December midweek ultra and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent
- Fri 5 Dec
- £20-£27
The Christmas Jumper Jaunt | Time Challenge
Welcome to a midweek 7-hour timed running event where you can run as far as you can in 7 hours in your Christmas jumper (optonal), with fuel stations each lap, and a themed medal and goody bag!
- Enter online
- Traffic free
- Age 18 & over
- 7 hrs trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | 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 bobble hat, medal and goody bag at the finish.
- Enter online
- Flat
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra 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
- 30.6 miles trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, a bobble hat, medal and goody bag!
- Enter online
- Flat
- Age 18 & over
- 7 hrs trail running + 0 ft ascent
- 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
- £23-£35
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
- Thu 25 Dec
- £23-£35
Christmas Day Cracker Run | Ultra Marathon
Come and join the morning of running and aim to complete an ultra 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 18 & over
- 30.6 miles trail running + 0 ft ascent
- Thu 25 Dec
- £23-£35
Christmas Day Cracker Run | Time Challenge
Come and join the morning of running and run as far as you like 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 18 & over
- 7 hrs trail running + 0 ft ascent
- Fri 26 Dec
- £28-£30
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
- Fri 26 Dec
- £28-£30
Boxing Day Challenge | 6 Hour Challenge
Welcome to a 6-hour timed running event where you run as far as you can in 6 hours at your own pace on a flat, out-and-back route along the River Thames, with fuel stations, medal and goody bag.
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 6 hrs trail running + 0 ft ascent
- Sat 27 Dec
- £23-£35
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
- Sat 27 Dec
- £23-£35
Year End Time Turner | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, a pick-and-mix medal and a goody bag at the finish.
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent
- Sat 27 Dec
- £23-£35
Year End Time Turner | Time Challenge
See the year out with a 7-hr timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a pick and mix medal and goody bag!
- Enter online
- Traffic free
- Age 18 & over
- 7 hrs trail running + 0 ft ascent
- Wed 31 Dec
- £33-£35
River Thames Run | Ultra Marathon
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, Rhino medal and goody bag.
- Enter online
- Age 20 & over
- 32 miles trail running + 0 ft ascent
- Sun 21 Dec
Portsmouth Coastal Waterside Marathon Events | 50K Ultra
- 50 km multi terrain running