Flat Marathons in UK
Find flat marathons in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 8 Nov
- £25-£37
Remembrance Run | South | Marathon
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a marathon, then a Remembrance medal, a goody bag and a special pin.
- 26.2 miles trail running
- Sat 12 Dec
- £39-£41
Crikey its the Christmas Cracker | Day 1 | Marathon
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!
- 26.2 miles trail running
- Sun 13 Dec
- £37.50-£39.50
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.
- 7 hrs road running
- Sun 13 Dec
- £39-£41
Crikey its the Christmas Cracker | Day 2 | Marathon
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 marathon distance.
- 26.2 miles trail running
- Sun 13 Dec
- £22-£34
The Snow Globe Gallop Bobble Hat Run | North | Marathon
Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
- 26.2 miles trail running
- Sat 26 Dec
- £33-£35
Boxing Day Challenge | Marathon
Come and join the day of running and aim to complete a 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!
- 26.2 miles trail running
- Sun 15 Mar
- £22-£25
Cambridge Boundary Run | Marathon
- 26.2 miles trail running
- Sun 22 Mar
- £42-£44
Grand Canal Canter | Marathon
- 26.2 miles trail running + 180 ft ascent
- Sun 5 Apr
- £56-£58
The Moray Marathon & Chilled 20 Mile Race | Moray Marathon
- 26.2 miles road running
- Sun 26 Apr
- £42
Shakespeare Marathon & Half Marathon | Full Marathon
- 26.2 miles road running + 188 m ascent
- Sun 6 Sep
- £43-£45
City to Sea | Marathon
- 26.2 miles trail running + 2400 ft ascent
- Sun 13 Sep
- £66-£68
The Garmin New Forest Marathon | Full Marathon
- 26.2 miles multi terrain running + 160 ft ascent