Trail runs in South East
Find trail runs near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 24 - Sun 25 May
- £139
- Sat 24 - Sun 25 May
- £139
Sussex Marathon
Part of the London 2 Brighton Ultra weekend, run, jog or walk from Turners Hill through wonderful Sussex countryside up & over the testing South Downs before coastal views to Brighton Racecourse.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 42 km trail running + 700 m ascent
- Sun 25 May
- £89
- Sun 25 May
- £89
Brighton Challenge
A new 25km option – ideal if you want to explore the surrounding countryside around Brighton and sections of the South Downs Way with its fabulous views back over the Sussex countryside.
- Enter online
- Undulating
- Hilly
- Age 14 & over
- 25 km trail running + 400 m ascent
- Sun 25 May
- £27
- Sun 25 May
- £27
ATW Chiltern 10K
Get involved in this exhilarating 10K in the stunning Chiltern Hills! This Area of Outstanding Natural Beauty offers the perfect mix of challenging climbs and rewarding descents.
- Enter online
- Undulating
- Age 15 & over
- 10 km trail running
- Sun 25 May
- £35
- Sun 25 May
- £35
ATW Chiltern Half Marathon
Get involved in this exhilarating Half Marathon in the stunning Chiltern Hills! This Area of Outstanding Natural Beauty offers the perfect mix of challenging climbs rewarding descents.
- Enter online
- Age 17 & over
- 21.1 km trail running
- Sat 7 - Sun 8 Jun
- £85-£120
- 4 charities
- Sat 7 - Sun 8 Jun
- £85-£120
- 4 charities
Endure24 | Reading
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- Dogs allowed
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- Event village
- Event expo
- Park
- Free venue entry
- Sustainability policy
- Age 16 & over
- 24 hrs multi terrain running
- Sat 7 Jun
- £53-£55
- Sat 7 Jun
- £53-£55
Magna Carta Summer | Marathon
The Magna Carta 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.
- Chip timing
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running
- Sat 7 Jun
- £43-£45
- Sat 7 Jun
- £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.
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.2 miles trail running
- Sat 7 Jun
- £33-£35
- Sat 7 Jun
- £33-£35
Magna Carta Summer | 10K
The Magna Carta 10K 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.
- Chip timing
- Enter online
- Flat
- Age 16 & over
- 10 km trail running
- Sat 21 Jun
- £80-£85
- 3 charities
- Sat 21 Jun
- £80-£85
- 3 charities
Race to the King | Castle 50K
Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 50 km trail running + 2663 ft ascent
- Sat 21 Jun
- £80-£85
- 4 charities
- Sat 21 Jun
- £80-£85
- 4 charities
Race to the King | Coastal 50K
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 1885 ft ascent
- Sat 21 Jun
- £170-£180
- 4 charities
- Sat 21 Jun
- £170-£180
- 4 charities
Race to the King | 100K
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 4619 ft ascent
- Sat 12 Jul
- £139
- 6 charities
- Sat 12 Jul
- £139
- 6 charities
North Downs 50 Ultra Challenge | 50km
Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 830 m ascent
- Sat 12 Jul
- £89
- 7 charities
- Sat 12 Jul
- £89
- 7 charities
North Downs 50 Ultra Challenge | 25km Loop
The 25km looped challenge sets out from Guildford early Saturday morning, along some of the most picturesque parts of the Surrey Hills Way – with a rest stop at half way with snacks and drinks.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 14 & over
- 25 km trail running + 530 m ascent
- Sat 12 Jul
- £89
- 7 charities
- Sat 12 Jul
- £89
- 7 charities
North Downs 50 Ultra Challenge | 1st Half
Follow the North Downs Way to Dorking for a 24km challenge with fabulous views. You’ll get full support all the way, rest stops en route and a picnic lunch at the finish.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 14 & over
- 24 km trail running + 600 m ascent
- Sat 12 Jul
- £85-£180
- 6 charities
- Sat 12 Jul
- £85-£180
- 6 charities
Race to the Stones | Day One | Thames Valley 50K
Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sat 12 Jul
- £180-£190
- 8 charities
- Sat 12 Jul
- £180-£190
- 8 charities
Race to the Stones | 100K Non-stop
Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 12 Jul
- £260-£270
- 6 charities
- Sat 12 Jul
- £260-£270
- 6 charities
Race to the Stones | 100K Two Days with camping
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 12 Jul
- £170-£180
- Sat 12 Jul
- £170-£180
Race to the Stones | 100K Two Days no camping
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 12 Jul
- £39
- 7 charities
- Sat 12 Jul
- £39
- 7 charities
North Downs 50 Ultra Challenge | Guildford 10K
A beautiful 10km looped route from the basecamp at Surrey Sports Park exploring public footpaths within Littleton past Loseley Park. You’ll be rewarded with a medal and glass of fizz!
- Enter online
- Undulating
- Age 15 & over
- 10 km trail running + 233 m ascent
- Sun 13 Jul
- £85-£180
- 6 charities
- Sun 13 Jul
- £85-£180
- 6 charities
Race to the Stones | Day Two | Ridgeline 50K
Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent
- Sun 20 Jul
- £55
- Sun 20 Jul
- £55
Bright Skies Surrey Hills | Marathon
The Bright Skies Marathon is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 26.2 miles trail running
- Sun 20 Jul
- £8
- Sun 20 Jul
- £8
Bright Skies Surrey Hills | Kids Race 1K
The Bright Skies 1K kids race is a thrilling daytime trail race following an undulating yomp through the Denbies Estate in the Surrey Hills.
- Enter online
- Undulating
- Traffic free
- Age 3-8
- 1 km trail running
- Sun 20 Jul
- £8
- Sun 20 Jul
- £8
Bright Skies Surrey Hills | Kids Race 2K
The Bright Sies 2K kids race is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
- Enter online
- Undulating
- Traffic free
- Age 8-12
- 2 km trail running
- Sun 20 Jul
- £21
- Sun 20 Jul
- £21
Bright Skies Surrey Hills | 5K
The Bright Skies 5K race is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 12 & over
- 5 km trail running
- Sun 20 Jul
- £32
- Sun 20 Jul
- £32
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.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 13.1 miles trail running