Half marathons in South East
Find 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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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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
- Sun 16 Aug
- £20-£25
Isle of Wight Half Marathon
Challenge yourself on this scenic, undulating road race across the Isle of Wight. Enjoy breathtaking coastal views, peaceful countryside lanes, and amazing local support from start to finish.
- 13.1 miles multi terrain running + 183 m ascent
- 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
- Sun 27 Sep
- £37.60-£48
Windsor Half Marathon
An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!
- 13.1 miles road running + 167 m ascent
- Sun 27 Sep
- From £25
Folkestone Rotary Half Marathon
This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
- 13.1 miles road running + 469 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 11 Oct
- £15-£130
Oxford Half Marathon
Runners will enjoy the fast, flat and beautiful route through University Parks and the historic Oxford City Centre whilst celebrating running and movement with entertainment and cheering fans!
- 13.1 miles road running
- 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
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
- Sat 7 Nov
- £25-£35
Whitstable & Herne Bay MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Whitstable!
- 13.1 miles road running
- Sun 8 Nov
- £25-£37
Remembrance Run | South | Half Marathon
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a half marathon, then a Remembrance medal, goody bag and special pin.
- 13.1 miles trail running
- Sun 15 Nov
- £25-£35
Southampton MoRun | Half Marathon
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Southampton!
- 13.1 miles trail running
- Sat 28 Nov
- £26-£37
Running Tribe Races | Nov
A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.
- 1 day multi terrain running
- Sat 5 Dec
- £23-£40
The Snow Globe Gallop Bobble Hat Run | Half Marathon
Come and join in for the Snow Globe Gallop Bobble Hat Run, at this event you can earn yourself one of the incredible themed medals and, of course, a bobble hat!!
- 13.1 miles trail running
- Sat 12 Dec
- £26-£37
Running Tribe Races | Dec
A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.
- 1 day multi terrain running
- Sat 26 Dec
- £33-£35
Boxing Day Challenge | Half Marathon
Come and join the day of running and aim to complete a half marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- 13.1 miles trail running
- Sun 14 Feb 2027
- £35-£42
Hampton Court Half Marathon
This is the original Hampton Court Half Marathon and is run over a fast, flat and interesting course that borders the river-side grounds of the magnificent palace with King Henry VIII cheering on!
- 13.1 miles road running
- Sat 7 Mar
- £47
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sun 8 Mar
- £43-£45
Steyning Stinger | Half Marathon
- 21 km multi terrain running
- Sun 8 Mar
- £34-£36
Eastbourne Half Marathon
- 13.1 miles road running + 166 m ascent