50K ultra runs in UK in September 2025
Find 50k 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.
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- Sat 13 Sep
- £139
- Sat 13 Sep
- £139
Thames Path Ultra Challenge | 1st Half
The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Undulating
- Age 18 & over
- 50 km trail running + 200 m ascent
- Sat 13 Sep
- £70
- Sat 13 Sep
- £70
TrailFest | Cannock Chase Forest | 50K
Move around the spectacular and hilly Cannock Chase Forest and earn a 50km ultra, with a generous cut off time this is a chance to smash a big goal on a tough course.
- Chip timing
- Enter online
- Hilly
- Traffic free
- Age 21 & over
- 50 km trail running + 1118 m ascent
- Sat 13 Sep
- £60-£62
- Sat 13 Sep
- £60-£62
Bewl Water Autumn | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
- Chip timing
- Enter online
- Hilly
- Age 20-80
- 50 km trail running + 1500 ft ascent
- Sat 13 - Sun 14 Sep
- £139
- Sat 13 - Sun 14 Sep
- £139
Thames Path Ultra Challenge | 2nd Half
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 50 km trail running + 150 m ascent
- Sat 20 Sep
- £60
- 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
- £22-£35
- Sat 20 Sep
- £22-£35
Fraggle Run - Wales | 50K
Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!
- Enter online
- Age 20 & over
- 50 km road running
- Sun 21 Sep
- £23-£35
- Sun 21 Sep
- £23-£35
Fraggle Run | 50K
Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!
- Enter online
- Age 20 & over
- 50 km road running + 0 ft ascent
- Sat 27 Sep
- £139
- Sat 27 Sep
- £139
Chiltern 50 Ultra Challenge | Full 50km
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 920 m ascent
- Sat 27 Sep
- £26-£28
- Sat 27 Sep
- £26-£28
Runaway Challenge | Ultra Marathon
Welcome to a 6-hour timed running event where you can run an ultra at your own pace on a flat, looped route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 32 miles trail running + 301 ft ascent
- Sat 27 Sep
- £23-£35
- Sat 27 Sep
- £23-£35
Romp Run | 50K
Anyone know what a group of otters is called?? A romp!!! So Saturn Running is holding an event inspired by these adorable little creatures and the medal is super cute too!
- Enter online
- Age 20 & over
- 50 km road running + 0 ft ascent
- Sat 20 Sep
Pilgrims Ultra | 50K
- 50 km trail running + 1700 ft ascent