Flat 5K runs in UK in Winter
Find flat 5k runs in UK in Winter - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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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
- 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 3 Jan 2026
- £16-£18
Rhino 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 an old railway line (quite flat) then receive a Rhino medal and goody bag at the finish!
- Enter online
- Flat
- PB
- Traffic free
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sun 11 Jan 2026
- £15-£17
Skipton Sweetie Skedaddle | 5K
Enjoy a trip up the Leeds and Liverpool Canal this winter on your choice of distance, along the flat towpath for runners of all abilities, from novices to PB chasers!
- Enter online
- Flat
- PB
- Age 11 & over
- 5 km trail running + 56 ft ascent
- Sun 11 Jan 2026
- £17
Vale of Clwyd 5K
The route is exactly 5K, multi-terrain in nature, with a nice mix of minor road and trail to make for an interesting run in lovely surroundings, with fantastic views. Chip timing, prizes and medal!
- Families
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- Undulating
- Event village
- Park
- Age 11 & over
- 5 km multi terrain running
- Sat 17 Jan 2026
- £15-£17
Sir Titus Pie n Pickle Plod | 5K
Happy New Year Run along the Leeds and Liverpool Canal with a choice of distances, all along the flat, even towpath. This event is perfect for runners of all abilities from novices to PB chasers!
- Chip timing
- Enter online
- Flat
- Age 16 & over
- 5 km trail running + 82 ft ascent
- Sat 7 Feb 2026
- £20
Dark Skies Series | Moonlit Meadow Run | 5K Night Run
The Moonlit Meadow Run 5K is a double Gold award-winning night trail running event and the original inspiration for the ‘Dark Skies Series’ of three night trail running events across Somerset.
- Enter online
- Flat
- PB
- Traffic free
- Age 8 & over
- 5 km trail running + 46 ft ascent
- Sat 14 Feb 2026
- £15-£17
Besotted at Bingley | 5K
A trail race event that is flat and fast and perfect for a PB and also brilliant for a beginner or the runner who wants to do their own pace with bespoke medal and treats at the finish line.
- Chip timing
- Enter online
- Flat
- PB
- Age 16 & over
- 5 km trail running + 115 ft ascent
- Sun 15 Feb 2026
- £37.50-£39.50
SoBo Series | Volume 2 | My Funny Valentine
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
- Traffic free
- Event village
- Coast
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sat 13 Dec
Fox Trail Winter Running Series | Race 2 | 5K
- 5 km trail running
- Sun 1 Feb 2026
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running
- Sat 7 Feb 2026
The Newcastle 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running + 23 m ascent
- Sun 8 Feb 2026
The Glasgow 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running
- Sun 22 Feb 2026
The York 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km trail running + 6 m ascent
- Sat 28 Feb 2026
The Liverpool 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running + 18 m ascent