Multi-terrain runs in UK in September 2026
Find multi-terrain runs in UK in September 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 5 - Sun 6 Sep
- £199
South Coast Ultra Challenge | Full Continuous 100K
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.
- 100 km trail running + 2100 m ascent
- Sun 6 Sep
- £27-£38
FEAR (Forget Everything And Run)
Run as far as you can during the 4 or 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.
- 5K run
- 10K run
- Multi-terrain run
- Half marathon 2
- Marathon
- + 1 more race
- Sat 12 - Sun 13 Sep
- £12-£56.50
Richmond RUN-FEST
Richmond RUN-FEST consists of different distanced events, 5,000 runners, a music stage, fitness expo, amazing male and female cut tech t-shirts and chunky triangle medals!
- 10K run
- Fun run 2
- Marathon
- Half marathon
- Sat 12 - Sun 13 Sep
- FREE-£270
Ultra X England
From rolling hills to woodland paths, this is an opportunity to test endurance, build trail confidence and enjoy a professionally supported experience designed for runners and walkers alike.
- Ultra run 4
- Multi-terrain run 2
- Sun 13 Sep
- £29-£33
Rye Ancient Trails 30K & 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.
- Multi-terrain run 2
- Sun 13 Sep
- £6-£26
Chatsworth 10K and Fun Run
An officially chip-timed, challenging, mixed terrain 10K in the stunning grounds of the Chatsworth estate. There is a 3K fun run for children, or adults who wish to take on a shorter distance.
- 10K run
- Fun run
- Sun 13 Sep
- £16
Yarrow River Splash 10K Trail Run
Dive into a fun-filled trail run through woodland paths and waterside tracks, where mud, puddles and pace combine for pure off-road adventure, in a valley full of colour.
- 10 km trail running + 527 ft ascent
- Fri 18 - Sat 19 Sep
- £61-£99
Peak District Challenge
Trek or run through the Peak District on a distance of your choice from 25K to 100 miles with full safety support, food, drinks and a delicious stew supper! Navigate your way or join a guided group.
- Trail run 2
- 100K ultra run
- 100 mile ultra run
- 50K ultra run
- Sat 19 Sep
- £15-£60
Salmon Run
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!
- Ultra run
- Multi-terrain run
- Sat 19 - Sun 20 Sep
- £38
Tissington Trail Half Marathon Weekend
A breathtaking half marathon racing down the length of the old disused railway with huge views of the Derbyshire Dales.
- Half marathon 2
- Fri 4 Sep
- £125-£150
Ring O' Fire | Firelighter 50
- 47 miles multi terrain running
- Sat 12 - Sun 13 Sep
- £15-£95
Autumn Wolf
- 5K run 3
- 10K run 3
- Fun run 2
- Trail run
- Sun 13 Sep
- £10-£68
The Garmin New Forest Marathon
- Fun run 2
- Short walk
- 5K run
- 10K run
- Half marathon
- + 1 more race
- Sun 20 Sep
- £10-£15
Only the Brave - Charity Obstacle Course Race | Brave | 3 Mile Mini Route
- 3 miles multi terrain running
- Sun 20 Sep
- £27-£36
ABP Humber Coastal Half Marathon 10K & Family Fun Run | Half Marathon
- 13.1 miles multi terrain running + 187 ft ascent
- Sun 27 Sep
- £34-£36
The Forest of Dean Autumn Half Marathon
- 13.1 miles multi terrain running + 800 ft ascent