Ultra runs in South East in September 2025
Find ultra runs near me in South East 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 6 - Sun 7 Sep
- £199
- Entries closed
- Sat 6 - Sun 7 Sep
- £199
- Entries closed
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
- Sat 6 - Sun 7 Sep
- £199
- Entries closed
- Sat 6 - Sun 7 Sep
- £199
- Entries closed
South Coast Ultra Challenge | Full 100km over 2 days
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent
- Sat 6 Sep
- £139
- Entries closed
- Sat 6 Sep
- £139
- Entries closed
South Coast Ultra Challenge | 1st Half
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 57 km trail running + 1250 m ascent
- Sat 6 - Sun 7 Sep
- £139
- Entries closed
- Sat 6 - Sun 7 Sep
- £139
- Entries closed
South Coast Ultra Challenge | 2nd Half
The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 43 km trail running + 850 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 Sep
- £169
- Sat 13 Sep
- £169
Thames Path Ultra Challenge | 3/4 Challenge
Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow the meandering waterway to Runnymede for a big celebration finish and hot meal at Henley on Thames.
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 72 km trail running + 60 m 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
- 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
- Sun 21 Sep
- £23-£35
- Sun 21 Sep
- £23-£35
Fraggle Run | Ultra Marathon
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 18 & over
- 30.6 miles 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
- £75
- Sat 27 Sep
- £75
Fortitude Ultra | Denbies
10Hrs: 10 Laps: You-vs-You. Complete 10 laps of the ~3-mile, 4-mile or 5-mile loops in the given time through the scenic Denbies Wine Estate.
- Newcomers
- Enter online
- Hilly
- Traffic free
- Event village
- Rural
- Free venue entry
- Sustainability policy
- Age 20 & over
- 10 hrs trail running
- 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 27 Sep
- £23-£35
- Sat 27 Sep
- £23-£35
Romp Run | Ultra Marathon
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 18 & over
- 30.59 miles road running + 0 ft ascent
- Sun 7 Sep
The Sufferings | Ultra
- 39 miles trail running + 2126 ft ascent