Trail Half marathons in South East
Find trail half marathons in South East in 2026/2027 - 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 11 Apr
- £15-£35
Love it or Hate it Run
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Fri 17 Apr
- £15-£27
Midweek Medal Madness Run April | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Sat 18 Apr
- £15-£35
The London Run
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 18 Apr
- FREE-£36
Spring Trail Series | 12K
Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.
- 12 km trail running + 130 m ascent
- Fri 1 May
- £15-£27
Midweek Chasing Numbers May | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Mon 4 May
- £15-£27
Bank Holiday Madness May | Half Marathon
Come and join the day of running and aim to complete a midweek half marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- 13.1 miles trail running
- Sat 9 May
- £43-£45
Magna Carta Summer | Half Marathon
The Magna Carta Half Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 13.1 miles trail running + 70 ft ascent
- Sun 10 May
- £15-£35
The Spring Lucky Dip Run
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Wed 3 Jun
- £25
Surrey Hills Half Marathon
Explore the beauty of the Surrey Hills on a guided trail half marathon through the scenic Area of Outstanding Natural Beauty, with woodland trails, hills and sweeping views.
- 13 miles trail running
- Sat 6 - Sun 7 Jun
- £95-£105
- Team places only
Endure24 | Reading
The UK’s biggest 24-hour relay! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the stunning 8km course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running
- Sun 7 Jun
- £32
Wendover Woods Half Marathon
Come and conquer the Wendover Woods this summer and enjoy a scenic forest trail half marathon challenge to delight the senses.
- 13.1 miles trail running + 1483 ft ascent
- Fri 12 Jun
- £15-£27
Midweek Chasing Numbers June | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Sat 13 Jun
- £43-£45
Bewl Water Summer | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
- 13.1 miles trail running + 710 ft ascent
- Fri 10 Jul
- £15-£27
Midweek Chasing Numbers July | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Fri 24 Jul
- £15-£27
Midweek Medal Madness Run July | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Sun 26 Jul
- £35
Bright Skies Surrey Hills | Half Marathon
The Bright Skies Half Marathon is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
- 13.1 miles trail running
- Fri 14 Aug
- £15-£27
Midweek Chasing Numbers Aug | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- Sat 15 Aug
- £23-£35
I'm Not Throwing Away My Shot Run | Half Marathon
If you're a fan of the musical Hamilton, then this is the run for you! This is an amazing Hamilton-inspired event with an incredible themed medal too.
- 13.1 miles trail running
- Fri 21 Aug
- £15-£27
Midweek Medal Madness Run August | Half Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 13.1 miles trail running
- 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
- 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
- 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
- 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
- £26-£37
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 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