Multi-terrain runs in South East
Find multi-terrain runs near me in South East for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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- Sun 29 Mar 2026
- £26-£37.50
Running Tribe Races | Mar | 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
- Sun 29 Mar 2026
- £26-£37.50
Running Tribe Races | Mar | 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 + 3002 ft ascent
- Sun 29 Mar 2026
- £26-£37.50
Running Tribe Races | Mar | 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
- Hilly
- Age 16 & over
- 26.2 miles multi terrain running + 6004 ft ascent
- Sun 29 Mar 2026
- £26-£37.50
Running Tribe Races | Mar | 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 + 9006 ft ascent
- Sun 19 Apr 2026
- £29
Kent Spring Half Marathon
A superbly crafted spring half marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?
- Enter online
- Undulating
- Age 17 & over
- 13.1 miles multi terrain running + 721 ft ascent
- Sun 19 Apr 2026
- £38
Kent Spring Marathon
A superbly crafted spring marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles multi terrain running + 1459 ft ascent
- Sat 9 May 2026
- £85-£90
Tough Mudder London West | 15K - Saturday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Age 14 & over
- 15 km multi terrain running
- Sat 9 May 2026
- £65
Tough Mudder London West | 5K - Saturday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Age 14 & over
- 5 km multi terrain running
- Sun 10 May 2026
- £80-£85
Tough Mudder London West | 15K - Sunday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running
- Sun 10 May 2026
- £65
Tough Mudder London West | 5K - Sunday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running
- Sat 20 Jun 2026
- £75
Race to the King | Coastal 50K
Flat and runnable without skimping on scenery, it offers spectacular views around Chichester Harbour, through the ancient fishing village of Bosham before gently climbing back onto the South Downs.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 461 m ascent
- Sat 20 Jun 2026
- £165
Race to the King | 100K Non-Stop
The full circuit takes in both the Coastal and Castle loops for a magnificent tour of the stunning South Downs. Steeped in history and uniquely varied, the 100K offers a course truly fit for royalty.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 1510 m ascent
- Sat 20 Jun 2026
- £75
Race to the King | Castle 50K
The ideal ‘next step’ on your ultra journey! Following an undulating course along the South Downs Way, the route passes by Arundel Castle before returning to West Dean via the Monarch's Way.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 50 km trail running + 1043 m ascent
- Sat 11 Jul 2026
- £180
Race to the Stones | 100K Non-stop
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £255
Race to the Stones | 100K Over Two Days
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £165
Race to the Stones | 100K Two Days no camping
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £85-£175
Race to the Stones | Day One | Thames Valley 50K
Cross England’s longest river at the halfway mark before finishing with a triumphant climb towards the iconic Lattin Down Basecamp finish line.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sun 12 Jul 2026
- £85-£175
Race to the Stones | Day Two | Ridgeline 50K
An ideal choice for your first ultramarathon. Enjoy dramatic views of the vale to your north before finishing at the iconic Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent
- Sun 28 Sep
The One on the Trail | Marlow | Little Sprinters 1K
- 1 km multi terrain running
- Sun 28 Sep
The One on the Trail | Marlow | Half Marathon
- 13.1 miles multi terrain running