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Flat Trail runs in Autumn

Find flat trail runs near me 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 run from the coast at Hornsea in East Yorkshire? You can grab yourself fish and chips and an ice cream from the front after the race.
  • Sat 5 Sep 2026
  • £25-£42
Hornsea, East Yorkshire, UK

Hip Hip Hooray it's Hornsea

We all love to be beside the seaside, so why not enjoy a trail run from the coast at Hornsea in East Yorkshire? You can grab yourself fish and chips and an ice cream from the front after the race.

  • Beginner-friendly
  • Event village
  • Coast
  • Age 16 & over
  • 10K run
  • 10 miler
  • Half marathon
  • Trail run
  • Marathon
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
  • Sat 12 Sep 2026
  • £80-£120
Brandon, Suffolk, UK

Thetford Back Yard Ultra Festival

Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.

  • Families
  • Beginner-friendly
  • Event village
  • Age 12 & over
  • Fixed time runs 2
  • Ultra run
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. With distances ranging from 10K to ultra marathon along the flat, even towpath - this event is perfect for all abilities.
  • Sat 19 Sep 2026
  • £25-£56
Leeds, West Yorkshire, UK

Oktoberfest

Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. With distances ranging from 10K to ultra marathon along the flat, even towpath - this event is perfect for all abilities.

  • Beginner-friendly
  • Event village
  • Age 16 & over
  • 10K run
  • 10 miler
  • Half marathon
  • Trail run
  • Marathon
  • + 1 more race
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 support, medal and photo.
  • Sun 4 Oct 2026
  • £33-£55
London, UK

Thames Meander Autumn

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 support, medal and photo.

  • Beginner-friendly
  • Event village
  • Urban
  • Age 17 & over
  • 10K run
  • Half marathon
  • Marathon
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
  • Sun 18 Oct 2026
  • £51.50
Corwen, Clwyd, UK

Brenig Way 50K Trail

This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.

  • Beginner-friendly
  • Enter online
  • GPS tracking
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 50 km trail running + 1450 m ascent
Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sat 24 Oct 2026
  • £28-£36
Bakewell, Derbyshire, UK

Monsal Trail October Half Marathon & 10K | Saturday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Event village
  • Rural
  • Sustainability policy
  • Age 15 & over
  • 10K run
  • Half marathon
Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sun 25 Oct 2026
  • £28-£36
Bakewell, Derbyshire, UK

Monsal Trail October Half Marathon & 10K | Sunday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Event village
  • Sustainability policy
  • Age 15 & over
  • 10K run
  • Half marathon
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.

  • Beginner-friendly
  • Enter online
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs trail running + 47 ft ascent
A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
  • Sun 25 Oct 2026
  • £35
Bishop's Stortford, Essex, UK

Stort30

A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Flat
  • Event village
  • Rural
  • Age 18 & over
  • 30 miles trail running + 188 ft ascent
A Halloween-themed running event 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
  • £4-£56
Leeds, West Yorkshire, UK

Hubble Bubble & Ghostly 1 Mile

A Halloween-themed running event 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.

  • Families
  • Beginner-friendly
  • Plastic bottle free
  • Fancy dress
  • Event village
  • Urban
  • All ages
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Trail run
  • + 2 more races
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
  • Sun 8 Nov 2026
  • £20-£37
Egham, Surrey, UK

Remembrance Day Run | South

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sun 6 Sep 2026
Torquay, Devon, UK

City to Sea

  • Half marathon
  • Marathon
  • Fri 11 - Sun 13 Sep 2026
London, UK

Thames Path Ultra Challenge

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Ultra run
  • 10K run
  • + 4 more races
  • Sun 13 Sep 2026
Langport, Somerset, UK

Naked | Clothes-free run

  • 5K run
  • 10K run
  • Sat 3 Oct 2026
Skagen, Denmark

Skagen Marathon

  • Marathon
  • Half marathon

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