Marathons in UK in September 2026
Find marathons in UK in September 2026 - 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 12 Sep 2026
- £53-£55
Bewl Water Autumn | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18-80
- 26.5 miles trail running + 1420 ft ascent
- Sun 13 Sep 2026
- £49.50-£56.50
- 3 charities
Richmond Marathon
Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 26.2 miles road running + 160 m ascent
- Sun 20 Sep 2026
- £37.50-£39.50
Something to Talk About
Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
- Families
- Newcomers
- Enter online
- Undulating
- Traffic free
- Event village
- Age 18 & over
- 7 hrs trail running + 404 ft ascent
- Sun 27 Sep 2026
- £37.50-£39.50
SoBo Series | Volume 4 | Stop me (if you think you've heard this one before)
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
- Traffic free
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sun 27 Sep 2026
- £80
- 2 charities
Baxters Loch Ness Marathon and Festival of Running | Loch Ness Marathon
Loch Ness Marathon is a monster race - running point-to-point alongside the shores of the most famous loch in the world!
- Chip timing
- Enter online
- Undulating
- PB
- Traffic free
- Age 18 & over
- 26.2 miles road running + 350 m ascent
- Sun 13 Sep 2026
33rd Yorkshireman Off Road Marathon & Half Marathon | Full Marathon
- 26.2 miles fell running + 3065 ft ascent
- Sun 13 Sep 2026
The Garmin New Forest Marathon | Full Marathon
- 26.2 miles multi terrain running + 160 ft ascent