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Trail Marathons in UK in Autumn

Find trail marathons in UK in Autumn - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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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.
  • Sat 5 Sep 2026
  • £39-£41
Hornsea, East Yorkshire, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 322 ft ascent
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
  • Sat 12 Sep 2026
  • £53-£55
Wadhurst, East Sussex, UK

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
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.
  • Sat 19 Sep 2026
  • £39-£41
Leeds, West Yorkshire, UK

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.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • 26.2 miles trail running + 210 ft ascent
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!
  • Sat 19 Sep 2026
  • £33-£38
Bury Saint Edmunds, Suffolk, UK

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!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 1260 ft ascent
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.
  • Sun 20 Sep 2026
  • £37.50-£39.50
Christchurch, Hampshire, UK

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
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!
  • Sun 27 Sep 2026
  • £31-£38
Dereham, Norfolk, UK

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!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 62 ft ascent
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.
  • Sun 4 Oct 2026
  • £53-£55
London, UK

Thames Meander Autumn | Marathon

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 600 ft ascent
Conquer 26 scenic miles from South Brent to Mothecombe, combining moorland trails, river valleys and coastal paths for a trail marathon that captures the spirit of the new South Hams Way.
  • Sat 10 Oct 2026
  • £45
Plymouth, Devon, UK

The South Hams Ultra | Marathon

Conquer 26 scenic miles from South Brent to Mothecombe, combining moorland trails, river valleys and coastal paths for a trail marathon that captures the spirit of the new South Hams Way.

  • Enter online
  • GPS tracking
  • Age 18 & over
  • 26.2 miles trail running + 1183 m ascent
A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.
  • Sun 18 Oct 2026
  • £39-£41
Knaresborough, North Yorkshire, UK

Old Mother Shipton's Soft Shoe Shuffle | Marathon

A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 1416 ft ascent
This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 25 Oct 2026
  • £33-£38
Peterborough, Cambridgeshire, UK

Pumpkin Plod

This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.

  • Newcomers
  • Dogs allowed at venue
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 25 Oct 2026
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Lines

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • Newcomers
  • Enter online
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs trail running + 47 ft ascent
A Halloween-themed marathon you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.
  • Sat 31 Oct 2026
  • £39-£41
Leeds, West Yorkshire, UK

Hubble Bubble & Ghostly 1 Mile | Marathon

A Halloween-themed marathon you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.

  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 288 ft ascent
An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!
  • Sun 1 Nov 2026
  • £47
Tring, Buckinghamshire, UK

Wendover Woods Marathon

An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 2966 ft ascent
Back to Ferry Meadows Country Park for a 10K remembrance running challenge! Run for at least 10K through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 8 Nov 2026
  • £33-£38
Peterborough, Cambridgeshire, UK

Remembrance Run | 6 Hour

Back to Ferry Meadows Country Park for a 10K remembrance running challenge! Run for at least 10K through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 6 hrs multi terrain running + 98 ft ascent
Discover the ultimate trail running experience at Leeds Skelton Lake Services - an unexpected haven for nature lovers and a fantastic trail marathon.
  • Sun 15 Nov 2026
  • £40-£42
Leeds, West Yorkshire, UK

Rothwell Kebabathon | Marathon

Discover the ultimate trail running experience at Leeds Skelton Lake Services - an unexpected haven for nature lovers and a fantastic trail marathon.

  • Enter online
  • PB
  • Age 18 & over
  • 26.2 miles trail running
  • Sun 6 Sep 2026
Exeter, Devon, UK

City to Sea | Marathon

  • 26.2 miles trail running + 2400 ft ascent
  • Sun 4 Oct 2026
Scarborough, North Yorkshire, UK

The East Coast Chuffer | Marathon

  • 26.2 miles trail running + 1552 ft ascent

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