Trail Half marathons in Autumn
Find trail half marathons 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 5 Sep
- £30-£32
Hip Hip Hooray it's Hornsea | Half Marathon
We all love to be beside the seaside, so why not enjoy a trail half marathon from the coast at Hornsea? You can grab yourself fish and chips and an ice cream from the front after the race.
- 13.1 miles trail running + 161 ft ascent
- Sat 12 Sep
- £43-£45
Bewl Water Autumn | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
- 13.1 miles trail running + 710 ft ascent
- Sun 13 Sep
- £38.50
Cheshire 3 Peaks Half Marathon
This event takes in some of Cheshire's finest country, and certainly its highest! Summit Tegg's nose, Shuttlingsloe and Shining Tor with views, diverse terrain and finisher medal.
- 13.1 miles trail running + 847 m ascent
- Sat 19 Sep
- £29-£36
The Lucky Horseshoe | Half 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!
- 13.1 miles trail running
- Sat 19 Sep
- £30-£32
Oktoberfest | Half Marathon
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. A half marathon to warm the depths of your heart along the flat, even towpath - this event is perfect for all abilities.
- 13.1 miles trail running + 105 ft ascent
- 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
- Sun 27 Sep
- £27-£38
The Wensum Way Trail
Enjoy the stunning route, push your limits, and, of course, earn your race bling over the distance of your choice. Runners will love the fuel and encouragement with every lap!
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- Sun 27 Sep
- £32
Race on the Chase | Half Marathon
8th Anniversary! The Race on the Chase Half Marathon has already gained a strong reputation with runners for its great trails, views and friendly atmosphere. It's trail running heaven.
- 13.1 miles trail running + 1010 ft ascent
- Sun 4 Oct
- £43-£45
Thames Meander Autumn | Half Marathon
Stunningly scenic riverside route along the Thames towpath. Flat, fast and very runnable with great runner support. The marathon on the same day was previously rated one of the top 10 UK marathons.
- 13.1 miles trail running + 300 ft ascent
- Sun 4 Oct
- £28-£30
The East Coast Chuffer | Half Marathon
All aboard for The East Coast Chuffer Half Marathon – a scenic running adventure setting off from Peasholme Park, Scarborough, and steaming along the historic Cinder Track!
- 13.1 miles trail running + 269 ft ascent
- Sat 10 Oct
- £35
The Hurt | 21km
The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.
- 21 km trail running + 1551 ft ascent
- Sat 10 Oct
- £40
Aberfoyle Festival of Trail Running | Half Marathon
Experience the wild side of Scotland with an epic half marathon trail race in the heart of the stunning Loch Lomond & the Trossachs National Park on a waymarked route with finisher's medal.
- 21.4 km trail running
- Sun 11 Oct
- £17-£29
Scare Bear Run | North | Half Marathon
Get involved in this spooky half marathon! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
- 13.1 miles trail running
- Sun 18 Oct
- £28-£30
Old Mother Shipton's Soft Shoe Shuffle | Half 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.
- 13.1 miles trail running + 708 ft ascent
- Sun 18 Oct
- £32
Bedgebury Forest Half Marathon
An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.
- 13.1 miles trail running + 1030 ft ascent
- Sat 24 Oct
- £36
Monsal Trail October Half Marathon | 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!
- 13.1 miles trail running + 1972 ft ascent
- Sun 25 Oct
- £33-£38
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.
- Multi-terrain run 2
- Sun 25 Oct
- £37.50-£39.50
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.
- 7 hrs trail running + 47 ft ascent
- Sun 25 Oct
Running Tribe Races | Oct
A new and unique concept where you decide how many loops you feel capable of on the day from 10km up to an ultra marathon! Push yourself further or go easy.
- 1 day multi terrain running
- Sun 25 Oct
- £36
Monsal Trail October Half Marathon | 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!
- 13.1 miles trail running + 1972 ft ascent
- Sat 31 Oct
- £24-£30
Devon Trail Races
Come and explore the trails of Roadford Lake on this well-loved event! Professionally chip timed, with a finish line beer and bottle opener medal to help open it!
- 10K run
- CaniCross 2
- Half marathon
- Sat 31 Oct
- £30-£32
Hubble Bubble & Ghostly 1 Mile | Half Marathon
A Halloween-themed half 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.
- 13.1 miles trail running + 144 ft ascent
- Sun 1 Nov
- £39.99-£51.99
Anglesey Trail Half Marathon
Anglesey's most beautiful trail half, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.
- 21.1 km trail running + 159 m ascent
- Sun 1 Nov
- £33
Wendover Woods Half 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!
- 13.1 miles trail running + 1483 ft ascent
- Sat 7 Nov
- £31-£33
Dirt Half Challenge
Join hundreds of runners for an award-winning, off-road adventure through autumnal countryside. With woodland paths and canal-side tracks, it delivers challenge, beauty, and unbeatable vibes.
- 13.1 miles trail running + 581 ft ascent