Multi-terrain runs in UK in September 2025
Find multi-terrain runs near me in UK in September 2025 - 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
- 15 charities
- Sat 6 - Sun 7 Sep
- £199
- 15 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 7 Sep
- £31-£36
- Sun 7 Sep
- £31-£36
FEAR (Forget Everything And Run) | 6 Hour
Run as far as you can during the 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs multi terrain running
- Sun 7 Sep
- £31-£36
- Sun 7 Sep
- £31-£36
FEAR (Forget Everything And Run) | 4 Hour
Run as far as you can during the 4-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs multi terrain running
- Thu 11 - Sun 14 Sep
- £250-£1,250
- Thu 11 - Sun 14 Sep
- £250-£1,250
Run2Paris
A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.
- Newcomers
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Urban
- Public transport links
- Age 18 & over
- 4 days multi terrain running
- Sat 13 Sep
- £33-£38
- Sat 13 Sep
- £33-£38
Easier Said Than Run | 6 Hour
Run as far as you can during the 6-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs trail running
- Sat 13 Sep
- £74.95
- Sat 13 Sep
- £74.95
Born Survivor | Lancashire | 10K Elite Squadron
The UK's toughest 10K! The first wave to set off on event day and open to individuals only. The mission is simple, be within the first 3 top men or women back to base and take the glory! Free 2nd lap.
- Enter online
- Undulating
- Traffic free
- Age 16 & over
- 10 km multi terrain running
- Sat 13 Sep
- £64.95-£69.95
- Sat 13 Sep
- £64.95-£69.95
Born Survivor | Lancashire | 10K Classic Survivor
The UK's toughest 10km with Military escape routes! Shorten the course to 8km or 6km via escape routes should the day get too tough!
- Enter online
- Undulating
- Traffic free
- Age 16 & over
- 10 km multi terrain running
- Sat 13 Sep
- £33-£38
- Sat 13 Sep
- £33-£38
Easier Said Than Run | 4 Hour
Run as far as you can during the 4-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running
- Sun 14 Sep
- 2 charities
- Sun 14 Sep
- 2 charities
Richmond RUNFEST Marathon
Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 26.2 miles road running
- Sun 14 Sep
- £28-£35
- Sun 14 Sep
- £28-£35
Rye Ancient Trails 15K
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 16 & over
- 15 km multi terrain running
- Sun 14 Sep
- £32-£35
- Sun 14 Sep
- £32-£35
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
- Sun 14 Sep
- 2 charities
- Sun 14 Sep
- 2 charities
Richmond RUNFEST Half Marathon
London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Fri 19 Sep
- Fri 19 Sep
Peak District Challenge | Copper Challenge 25K
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 75 km trail running
- Fri 19 Sep
- Fri 19 Sep
Peak District Challenge | Gold Ultra 100K
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
- Enter online
- GPS tracking
- Age 18 & over
- 100 km trail running
- Fri 19 Sep
- Fri 19 Sep
Peak District Challenge | 100 Miles Ultra
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
- Enter online
- GPS tracking
- Age 21 & over
- 100 miles trail running
- Sat 20 Sep
- 3 charities
- Sat 20 Sep
- 3 charities
Tough Mudder London South | 15K - Saturday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 15 km multi terrain running
- Sat 20 Sep
- Sat 20 Sep
Peak District Challenge | Bronze Challenge 50K
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
- Enter online
- GPS tracking
- Age 18 & over
- 50 km trail running
- Sun 28 Sep
- £22-£24
- Sun 28 Sep
- £22-£24
Chatsworth 10K
An official, chip-timed, challenging multi-terrain 10K on a mixture of tarmac, grass and track with some flat sections - all through the stunning Chatsworth Estate.
- Chip timing
- Enter online
- Undulating
- Age 15 & over
- 10 km multi terrain running
- Sun 28 Sep
- £5-£7
- Sun 28 Sep
- £5-£7
Chatsworth 10K and Fun Run | Fun Run
The Fun Run after the Chatsworth 10K gives families and those wanting a shorter distance a fantastic opportunity to enjoy the Chatsworth Estate! Why not run both?
- Enter online
- Undulating
- All ages
- 3 km multi terrain running
- Sun 7 Sep
The Northants 5K Race Series - Race 5
- 5 km multi terrain running
- Sat 13 Sep
Worcester City Runs | Families on Track
- 2 km multi terrain running
- Sun 28 Sep
The Forest of Dean Autumn Half Marathon
- 13.1 miles multi terrain running