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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 5 Sep
- £40-£42
Hip Hip Hooray it's Hornsea | Marathon
We all love to be beside the seaside, so why not enjoy a trail marathon from the coast at Hornsea? You can grab yourself fish and chips and an ice cream from the front after the race.
- 26.2 miles trail running + 322 ft ascent
- Sun 6 Sep
- £33-£38
FEAR (Forget Everything And Run) | Full Marathon
Run a full marathon during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- 26.2 miles multi terrain running
- Sat 12 Sep
- £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.
- 26.5 miles trail running + 1420 ft ascent
- Sun 13 Sep
- £49.50-£56.50
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!
- 26.2 miles road running + 160 m ascent
- Sat 19 Sep
- £39-£41
Oktoberfest | Marathon
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. A marathon to warm the depths of your heart along the flat, even towpath - this event is perfect for all abilities.
- 26.2 miles trail running + 210 ft ascent
- Sat 19 Sep
- £33-£38
The Lucky Horseshoe | Full Marathon
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
- 26.2 miles trail running + 1260 ft ascent
- Sun 20 Sep
- £40-£42
Yabba Dabba Doo | Marathon
It's time to have some fun! This multi-lap event is great for increasing distance, and runners will complete a marathon around the beautiful reservoir for their Yabba Dabba Doo medal!
- 26.2 miles multi terrain running
- Sun 20 Sep
- £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.
- 7 hrs trail running + 404 ft ascent
- Sat 26 Sep
- £40-£42
Guardians of the CODRC | Full Marathon
Come and run a marathon to celebrate everything that is The Guardians! Run scenic routes crossing the Ironbridge, and enjoy a social, supportive atmosphere.
- 26.2 miles road running
- Sun 27 Sep
- £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.
- 7 hrs road running
- Sun 27 Sep
- £42
Race on the Chase | Marathon
8th Anniversary! The Race on the Chase Marathon has already gained a strong reputation with runners for its great trails, views and friendly atmosphere. It's trail running heaven.
- 26.2 miles trail running + 1929 ft ascent
- Sun 27 Sep
- £35-£37
RUN Barnstaple | Marathon
Flat, fast and an ideal setting for those aiming to achieve a personal best and is a great choice when looking for a marathon that is eligible for good for age for the London Marathon.
- 26.2 miles road running
- Sun 27 Sep
- £31-£38
The Wensum Way Trail | Full Marathon
Enjoy the stunning route, push your limits, and, of course, earn your race bling over marathon distance. Runners will love the fuel and encouragement with every lap!
- 26.2 miles trail running + 496 ft ascent
- Sun 27 Sep
- £80
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!
- 26.2 miles road running + 350 m ascent
- Sun 13 Sep
- £45.90-£53
TrailFest - Holdenby House | Marathon
- 26.2 miles trail running
- Sun 13 Sep
- £12-£26.50
33rd Yorkshireman Off Road Marathon & Half Marathon | Full Marathon
- 26.2 miles fell running + 3065 ft ascent
- Sun 13 Sep
- £66-£68
New Forest Marathon | Full Marathon
- 26.2 miles multi terrain running + 160 ft ascent