Multi-terrain runs in September 2025
Find multi-terrain runs in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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- Sun 14 Sep
- £50.50-£52.50
Richmond Half Marathon
Be part of London's most exclusive event! Run through its greenest borough, exploring the beauties and history of Richmond. Start inside the Kew Gardens with a family music festival to finish!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 91 ft ascent

- 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
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

- Sun 14 Sep
- £12
Uber Boat by Thames Clippers Richmond RUN-FEST | WWF Kids' Mile
Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!
- Chip timing
- Enter online
- Flat
- Traffic free
- Fancy dress
- Age 3-16
- 1 mile multi terrain running

- Fri 19 Sep
- £75
Peak District Challenge | Silver Challenge 75K
Not to be underestimated, the Silver Challenge follows the easiest and flattest routes between eight checkpoints but covers a long distance. For determined and experienced walkers and runners.
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 75 km trail running + 2235 m ascent

- Fri 19 Sep
- £80
Peak District Challenge | Gold Ultra 100K
A hilly and challenging route showcasing the best of the Peak District for those who can maintain 4kph over 24 hours. Night navigation experience is essential.
- Enter online
- GPS tracking
- Hilly
- Age 20 & over
- 100 km trail running + 3300 m ascent

- Fri 19 Sep
- £99
Peak District Challenge | 100 Miles Ultra
Set off 9pm Friday; get back by 9pm Saturday. Navigate 100 miles through the night via set checkpoints over hilly and challenging terrain and maintain 7kph throughout.
- Enter online
- GPS tracking
- Hilly
- Age 20 & over
- 100 miles trail running + 4800 m ascent

- Sat 20 Sep
- £110-£115
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
- £60
Peak District Challenge | Bronze Challenge 50K
Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.
- Enter online
- GPS tracking
- Hilly
- Age 16 & over
- 50 km trail running + 1140 m ascent

- Sat 20 Sep
- £45
Salmon Run | Salmon Run Ultra
An ultra 43-mile and team relay with opportunities for runners of all speeds on one day, empathising with the challenges faced by the endangered Exe Atlantic river salmon as they go upstream to spawn!
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 43 miles multi terrain running + 0 ft ascent

- Sat 20 Sep
- £15
Salmon Run | Salmon Run Relay
Follow the salmon's migratory route on its journey to where it began! This point-to-point relay gives runners the chance to empathise with the salmon's struggle over 2-11 mile relay legs.
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 12 miles multi terrain running + 0 ft ascent

- Sat 20 Sep
- £55
Peak District Challenge | Copper Challenge 25K
An achievable challenge following a circular route from Hathersage to Baslow along riverside paths and back via a hillier crossing of Curbar and Frogatt edges with some of the best views of The Peaks!
- Enter online
- GPS tracking
- Hilly
- Age 12 & over
- 25 km trail running + 577 m ascent

- Sat 20 Sep
- £100
Tough Mudder London South | 5K - 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
- 5 km multi terrain running

- Sun 21 Sep
- £105-£110
Tough Mudder London South | 15K - Sunday
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

- Sun 21 Sep
- £30
The Malton 10K ‘Le Sans Arret’
For runners who just want to run without the event's unique gourmet food and drink 'stops'. Why not run this 10K in the morning, then join in the afternoon fun and enjoy the food and drink on offer?
- Enter online
- Undulating
- Age 15 & over
- 10 km multi terrain running

- Sun 21 Sep
- £100
Tough Mudder London South | 5K - Sunday
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
- 5 km multi terrain running

- Sun 21 Sep
- £25-£35
‘Le Classique’ 10K Fun Run
The main event! A 10K fun run with gourmet food and drink stops. Entrants are encouraged to pace themselves, enjoy the speciality pitstops and the party atmosphere!
- Enter online
- Undulating
- Fancy dress
- Age 15 & over
- 10 km multi terrain running

- Sun 28 Sep
- £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 + 217.35 m ascent

- 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
- Traffic free
- All ages
- 3 km multi terrain running
- Sun 14 Sep
Lichfield 10K and Family Fun Run | Fun Run
- 2 km multi terrain running + 44 ft ascent
- Sun 14 Sep
Sandown & Shanklin Isle of Wight Seafront 10K
- 10 km multi terrain running
- Sun 14 Sep
The Garmin New Forest Marathon | Full Marathon
- 26.2 miles multi terrain running + 160 ft ascent
- Sun 14 Sep
The Garmin New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sun 14 Sep
The Garmin New Forest Marathon | 10K
- 10 km multi terrain running + 90 ft ascent
- Sun 28 Sep
The Forest of Dean Autumn Half Marathon
- 13.1 miles multi terrain running