Hilly 100K ultra runs in UK
Find hilly 100k ultra runs in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 2 - Sun 3 May
- £39-£199
Isle of Wight Ultra Challenge
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
- Trail run 3
- 50K ultra run 3
- 100K ultra run 2
- Ultra run
- Sat 16 - Sun 17 May
- £39-£199
Jurassic Coast Ultra Challenge
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Ultra run
- + 1 more race
- Sat 23 - Sun 24 May
- £89-£199
London 2 Brighton Ultra Challenge
Walk, jog or run the capital-to-coast route with 2,000 other adventurers over a range of distance options available and superb support all the way, for all abilities and experience levels.
- Trail run 3
- Ultra run 2
- Marathon
- 100K ultra run 2
- Sat 13 - Sun 14 Jun
- £39-£199
Cotswold Way Ultra Challenge
Challenge yourself in the rolling hills of the Cotswolds featuring the Cotswold Way itself, villages, footpaths and trails with fabulous views on route plus full support and hospitality.
- Trail run 2
- Ultra run 4
- 100K ultra run
- 10K run
- Sat 20 - Sun 21 Jun
- £49-£199
North Yorks Ultra Challenge
Set to be one of the greatest Ultra Challenges, venture from Scarborough’s historic seafront to wild moorland trails, and discover the dramatic Yorkshire coastline with a powerful celebration finish.
- 100K ultra run 2
- 50K ultra run 2
- Trail run
- 10 miler
- Sat 4 - Sun 5 Jul
- £199
Peak District Ultra Challenge | Full 2 Day Daylight 100K
Take on the full 100km in a figure-of-eight route through the north and south of the Peak District in daylight with a good night's rest and full support to get you to the finish line celebration!
- 100 km trail running + 2150 m ascent
- Sat 18 - Sun 19 Jul
- £49-£199
Gower Peninsula Ultra Challenge
Set on the stunning Gower Peninsula, the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches, limestone cliffs, wild moors, ridges and woodlands.
- 100K ultra run 2
- Ultra run
- 50K ultra run 2
- Marathon
- Multi-terrain run
- + 1 more race
- Sat 5 - Sun 6 Sep
- £89-£199
South Coast Ultra Challenge
The South Downs National Park is a superb backdrop for a real challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!
- 100K ultra run 2
- Ultra run 2
- Trail run
- Fri 18 Sep
- From £86
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.
- 100 km trail running + 2900 m ascent
- Sat 8 Aug
- £108-£110
Stour Valley Path Ultra Run | 100K
- 100 km trail running + 912 m ascent