50K ultra runs in UK
Find 50k ultra runs near me in UK for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 10 May 2026
- £60
Shires and Spires | Ultra
The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 35 miles multi terrain running + 2052 ft ascent
- Sun 17 May 2026
- £75-£80
Keswick Mountain Festival | adidas TERREX 50K Trail Ultra Marathon
The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
- Newcomers
- Music
- Chip timing
- Mountainous
- Event village
- Age 18 & over
- 50 km trail running + 1995 m ascent
- Thu 21 May 2026
- £17-£36
Dun Holm Challenge - Day 1 | 50K
Come and join in for Day 1 of The Dun Holm Challenge!
- Enter online
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Fri 22 May 2026
- £17-£36
Dun Holm Challenge - Day 2 | 50K
Come and join in for Day 2 of The Dun Holm Challenge!
- Enter online
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sat 23 May 2026
- £33-£38
Farmmageddon | Ultra Marathon
Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 32 miles trail running + 164 ft ascent
- Sat 23 May 2026
- £17-£36
Dun Holm Challenge - Day 3 | 50K
Come and join in for Day 3 of The Dun Holm Challenge!
- Enter online
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sun 24 May 2026
- £17-£36
Dun Holm Challenge - Day 4 | 50K
Come and join in for Day 4 of The Dun Holm Challenge!
- Enter online
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Mon 25 May 2026
- £17-£36
Dun Holm Challenge - Day 5 | 50K
Come and join in for the 5th of final day of The Dun Holm Challenge!
- Enter online
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sat 30 May 2026
- £79
Blair Castle Trail Weekender | Full Tilt Ultra 58K
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
- Chip timing
- Enter online
- Mountainous
- Traffic free
- Age 18 & over
- 58 km trail running + 2026 m ascent
- Sat 6 Jun 2026
- £53.50
The Llangollen 50K
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
- Newcomers
- Enter online
- Event village
- Rural
- Age 21 & over
- 50 km trail running + 5435 ft ascent
- Sat 13 Jun 2026
- £60-£62
Bewl Water Summer | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day 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 20 Jun 2026
- £75
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 20 Jun 2026
- £75
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
- £27.50-£32.50
Exmoor Perambulation | Ultra Trail Marathon
66th edition! The Perambulation is Exmoor National Park’s iconic traditional self-navigated circular long-distance event dating back over 725 years and now you can run the full distance!
- Enter online
- Age 16 & over
- 30 miles trail running
- Sun 21 Jun 2026
- £17-£29
Lord of The Run - North | 50K
Come and join in for Lord of The Run run! Whether you love the series of books and the film franchise or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Enter online
- Age 20 & over
- 50 km trail running
- Sat 11 Jul 2026
- £85-£175
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
- £85-£175
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 1 Aug 2026
- £50-£65
She Strides Ultra 50K
West Yorkshire’s very first female-only ultra-marathon! Travelling through woodlands and open moorland, this scenic route passes through Hebden Bridge and Haworth as well as other areas of beauty.
- Newcomers
- Enter online
- GPS tracking
- Hilly
- Event village
- Rural
- Age 16 & over
- 50 km trail running + 5000 ft ascent
- Sun 30 Aug 2026
- £17-£29
GNR & Time Turner | 50K
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Enter online
- Age 20 & over
- 50 km trail running
- Sun 6 Dec 2026
- £17-£29
The Snow Globe Gallop - North | 50K
Come and join in for the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in!
- Enter online
- Age 20 & over
- 50 km trail running
- Sat 20 Sep
Pilgrims Ultra | 50K
- 50 km trail running + 1700 ft ascent