5K runs in UK in December 2025
Find 5k runs 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.
Filter by date
This week
This weekend
Next week
Next weekend
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Winter
Spring
Summer
Autumn
All dates
Filter by place
London
South East
South West
East of England
East Midlands
Yorkshire
North East
Scotland
Wales
Northern Ireland
Everywhere
Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 13 Dec
- £14-£16
Crikey its the Christmas Cracker | Day 1 | 5K
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 16 & over
- 5 km trail running + 59 ft ascent
- Sun 14 Dec
- £37.50-£39.50
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
- PB
- Traffic free
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sun 14 Dec
- £14-£16
Crikey its the Christmas Cracker | Day 2 | 5K
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 this distance.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 16 & over
- 5 km trail running + 59 ft ascent
- Sun 14 Dec
- £22-£32
A Christmas Carol Bobble Hat Run | North | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a bobble hat, themed medal and goody bag at the finish!
- Enter online
- Age 12 & over
- 5 km trail running
- Sun 14 Dec
- £20
Salcey Forest Christmas 5K
Watch out Dasher, Comet and Blitzen! It's time to fly around the beautiful Salcey Forest trails. Come for the seasonal atmosphere, the festive cheer and finish-line medals!
- Enter online
- Flat
- Traffic free
- Age 11 & over
- 5 km multi terrain running + 180 ft ascent
- Sun 14 Dec
- £31-£33
Twas The Run Before Christmas | 4 Hour
Run as far as you can during the 4-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!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs multi terrain running + 299 ft ascent
- Sat 20 Dec
- £27-£29
Christmas Canter | 5K
It's December, so what better way to finish the year than with a Christmas event? Follow the Windmill Way route for 5K.
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 5 km road running + 358 ft ascent
- Sat 20 Dec
- £20-£22
Rumble In The Jumble II | 5K
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, pick-and-mix medal and goody bag.
- Enter online
- Age 12 & over
- 5 km trail running + 33 ft ascent
- Sat 20 Dec
- £9
Santa Run Wales | 5K
Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is coming, and so is the most magical 5K fun run of the year!
- Enter online
- Traffic free
- All ages
- 5 km trail running
- Sun 21 Dec
- £27-£32
A Christmas Carol Bobble Hat Run | Wales | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a bobble hat, themed medal and goody bag at the finish!
- Enter online
- Age 12 & over
- 5 km road running
- Sun 21 Dec
- £18-£20
ATW Nottingham Holme Run | 5K
Organised by ATW Events, this fantastic, traffic-free 5K takes place at the scenic National Water Sports Centre in Nottingham, offering a perfect setting for runners of all abilities.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 11 & over
- 5 km road running + 16 ft ascent
- Thu 25 Dec
- £23-£27
Christmas Day Cracker Run | 5K
Come and join the morning of running and aim to complete a 5K at your own pace on a scenic course then receive a Christmas present, themed medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Fri 26 Dec
- £16-£18
Boxing Day Challenge | 5K
Come and join the day of running and aim to complete a 5K 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
- PB
- Traffic free
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sat 27 Dec
- £23-£27
Year End Time Turner | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Wed 31 Dec
- £16-£18
River Thames Run | 5K
Come and join the day of running and aim to complete a 5K at your own pace 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 12 & over
- 5 km trail running + 0 ft ascent
- Sat 13 Dec
Fox Trail Winter Running Series | Race 2 | 5K
- 5 km trail running
- Sat 13 Dec
ACTI-SNACK Run Forest Run Series - Tollymore | 5K
- 5 km trail running + 370 ft ascent
- Sun 14 Dec
Christmas Day for Runners | Great Sprout Scuttle 5K
- 5 km trail running
- Sun 14 Dec
Richmond Park December 5K, 10K and Half Marathon | 5K
- 5 km multi terrain running