4
100K ultra runs in UK in September 2025
Find 100k ultra runs near me in UK in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
Filter by month
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 19 Sep
- £80
Hope Valley, Derbyshire, UK
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
- Sat 20 Sep
- £165
Bridge of Orchy, Argyll and Bute, UK
Skyline Scotland | Jacobite 100
A runnable 100km with a Scottish Highland journey at the heart of the race experience with an exciting midnight mass start.
- Enter online
- GPS tracking
- Mountainous
- Age 18 & over
- 100 km trail running + 2400 m ascent
- Sat 20 Sep
Berwick-upon-Tweed, Northumberland, UK
Pilgrims Ultra | 100K
- 100 km trail running + 4000 ft ascent
- Sat 20 - Sun 21 Sep
Hawes, North Yorkshire, UK
Yorkshire 3 Peaks 70/100K Ultra | 100K
- 100 km trail running + 3169 m ascent