50K ultra runs in South East
Find 50k ultra runs near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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- Sat 12 Jul
- £139
- Sat 12 Jul
- £139
North Downs 50 Ultra Challenge | 50km
Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 830 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
- 17 charities
- Sat 13 - Sun 14 Sep
- £139
- 17 charities
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 27 Sep
- £139
- 12 charities
- Sat 27 Sep
- £139
- 12 charities
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 11 Oct
- £139
- 6 charities
- Sat 11 Oct
- £139
- 6 charities
Kent Downs 50 Ultra Challenge | 50km
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 16 & over
- 50 km trail running + 1000 m ascent
- Sat 20 Jun 2026
- £70
- 3 charities
- Sat 20 Jun 2026
- £70
- 3 charities
Race to the King | Castle 50K
The ideal ‘next step’ on your ultra journey! Following an undulating course along the South Downs Way, the route passes by Arundel Castle before returning to West Dean via the Monarch's Way.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 50 km trail running + 1043 m ascent
- Sat 20 Jun 2026
- £70
- 3 charities
- Sat 20 Jun 2026
- £70
- 3 charities
Race to the King | Coastal 50K
Flat and runnable without skimping on scenery, it offers spectacular views around Chichester Harbour, through the ancient fishing village of Bosham before gently climbing back onto the South Downs.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 461 m ascent
- Sat 11 Jul 2026
- £80-£170
- Sat 11 Jul 2026
- £80-£170
Race to the Stones | Day One | Thames Valley 50K
Cross England’s longest river at the halfway mark before finishing with a triumphant climb towards the iconic Lattin Down Basecamp finish line.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sun 12 Jul 2026
- £80-£170
- Sun 12 Jul 2026
- £80-£170
Race to the Stones | Day Two | Ridgeline 50K
An ideal choice for your first ultramarathon. Enjoy dramatic views of the vale to your north before finishing at the iconic Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent
- Sat 4 Oct
London South East Spartan Trifecta Weekend | Ultra 50K - Saturday
- 50 km multi terrain running