Multi-terrain runs in South East
Find multi-terrain 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 6 - Sun 7 Sep
- £199
- 14 charities
- Sat 6 - Sun 7 Sep
- £199
- 14 charities
South Coast Ultra Challenge | Full 100km continuous
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent

- Sun 14 Sep
- £28
- Sun 14 Sep
- £28
Rye Ancient Trails 15K
A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.
- Chip timing
- Enter online
- Undulating
- Age 16 & over
- 15 km multi terrain running + 734 ft ascent

- Sun 14 Sep
- £32
- Sun 14 Sep
- £32
Rye Ancient Trails 30K
A truly breathtaking multi-terrain race through the High Weald Area of Outstanding Natural Beauty in East Sussex. A race that enchants and delights at every twist and turn.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 30 km multi terrain running + 1492 ft ascent

- Sat 20 Sep
- 4 charities
- Sat 20 Sep
- 4 charities
Tough Mudder London South | 15K - Saturday
Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running

- Sat 20 Sep
- 3 charities
- Sat 20 Sep
- 3 charities
Tough Mudder London South | 5K - Saturday
Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running

- Sun 21 Sep
- 4 charities
- Sun 21 Sep
- 4 charities
Tough Mudder London South | 15K - Sunday
Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running

- Sun 21 Sep
- 3 charities
- Sun 21 Sep
- 3 charities
Tough Mudder London South | 5K - Sunday
Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running

- Sat 11 Oct
- £40
- Sat 11 Oct
- £40
Hever Castle Commando Obstacle Festival | 3K | Saturday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
- Chip timing
- Enter online
- Age 7 & over
- 3 km multi terrain running

- Sat 11 Oct
- £45-£210
- Sat 11 Oct
- £45-£210
Hever Castle Commando Obstacle Festival | 6K | Saturday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
- Chip timing
- Enter online
- Age 8 & over
- 6 km multi terrain running

- Sat 11 Oct
- £100-£120
- Sat 11 Oct
- £100-£120
Hever Castle Commando Obstacle Festival | 12K | Saturday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
- Chip timing
- Enter online
- Age 16 & over
- 12 km multi terrain running

- Sun 12 Oct
- £40
- Sun 12 Oct
- £40
Hever Castle Commando Obstacle Festival | 3K | Sunday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course that recreates Royal Marines Commando training.
- Chip timing
- Enter online
- Age 7 & over
- 3 km multi terrain running

- Sun 12 Oct
- £45-£210
- Sun 12 Oct
- £45-£210
Hever Castle Commando Obstacle Festival | 6K | Sunday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.
- Chip timing
- Enter online
- Age 8 & over
- 6 km multi terrain running

- Sun 12 Oct
- £100-£120
- Sun 12 Oct
- £100-£120
Hever Castle Commando Obstacle Festival | 12K | Sunday
Epic mud runs, cargo climbs, tunnels, tubes, stretcher manoeuvres, river crosses, slippery slopes, dramatic drops, planks and pools over a course adapted from Royal Marines Commando training.
- Chip timing
- Enter online
- Age 16 & over
- 12 km multi terrain running

- Sat 25 Oct
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | 7K
A new and unique concept where you turn up ready to conquer 7km but if you're feeling great, tackle a 10K, Half Marathon or even further depending on how you feel! Could you win the 7km race?
- Enter online
- Age 16 & over
- 7 km multi terrain running + 877 ft ascent

- Sat 25 Oct
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | Half Marathon
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
- Enter online
- Undulating
- Age 16 & over
- 13.1 miles multi terrain running + 2631 ft ascent

- Sat 25 Oct
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | Full Marathon
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run a cool 1-2 loops instead, depending on how you feel on the day!
- Enter online
- Hilly
- Age 16 & over
- 26.2 miles multi terrain running + 5262 ft ascent

- Sat 25 Oct
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | 30 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 30 miles multi terrain running + 6139 ft ascent

- Sat 25 Oct
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | 14K
Take on two laps of the 7km route, but if you want to push for a longer distance on the day - go for it!
- Enter online
- Hilly
- Age 16 & over
- 14 km multi terrain running + 1754 ft ascent

- Sun 26 Oct
- £26-£37.50
- Sun 26 Oct
- £26-£37.50
Running Tribe Races | Oct | 10K
A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!
- Enter online
- Age 16 & over
- 10 km multi terrain running + 1406 ft ascent

- Sun 26 Oct
- £26-£37.50
- Sun 26 Oct
- £26-£37.50
Running Tribe Races | Oct | 40 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.
- Enter online
- Hilly
- Age 16 & over
- 40 miles multi terrain running + 8613 ft ascent

- Sun 26 Oct
- £26-£37.50
- Sun 26 Oct
- £26-£37.50
Running Tribe Races | Oct | Full Marathon
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!
- Enter online
- Undulating
- Hilly
- Age 16 & over
- 26.2 miles multi terrain running + 5624 ft ascent

- Sun 26 Oct
- £26-£37.50
- Sun 26 Oct
- £26-£37.50
Running Tribe Races | Oct | Half Marathon
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
- Enter online
- Hilly
- Age 16 & over
- 13.1 miles multi terrain running + 2812 ft ascent

- Sun 30 Nov
- £26-£37.50
- Sun 30 Nov
- £26-£37.50
Running Tribe Races | Nov | 10K
A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!
- Enter online
- Hilly
- Age 16 & over
- 10 km multi terrain running + 1501 ft ascent
- Sat 8 Nov
Race to Remember | 76km
- 76 km multi terrain running + 2100 ft ascent
- Sat 8 Nov
Race to Remember | 36km
- 36 km multi terrain running + 857 ft ascent