Flat 5K runs in December 2025
Find flat 5k 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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- 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
- 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.
- Beginner-friendly
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs road running
- 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
- £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 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
- 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 13 Dec
Fox Trail Winter Running Series | Race 2 | 5K
- 5 km trail running