100K ultra runs in UK in Summer
Find 100k ultra runs in UK in Summer - 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 6 - Sun 7 Jun
- £39-£199
Lake District Ultra Challenge
Take on England’s finest countryside at your own pace with stunning views all the way, featuring the Garburn Pass, historic Ambleside, a halfway point by Lake Windermere, forests and nature reserves.
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- 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 20 Jun
- £175-£185
Race to the King | 100K Non-Stop
The full circuit takes in both the Coastal and Castle loops for a magnificent tour of the stunning South Downs. Steeped in history and uniquely varied, the 100K offers a course truly fit for royalty.
- 100 km trail running + 1510 m ascent
- Sat 4 - Sun 5 Jul
- £49-£199
Peak District Ultra Challenge
From the idyllic basecamp hub in Bakewell, charity challengers will head into the fabulous Peak District National Park on a route from 10 miles right up to the full 100km with full support!
- Ultra run 3
- 100K ultra run 2
- Trail run 2
- Sat 11 - Sun 12 Jul
- £90-£275
Race to the Stones
Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.
- 50K ultra run 2
- 100K ultra run 3
- Sat 11 - Sun 12 Jul
- £129.99-£319.99
Black Diamond Yr Wyddfa Snowdon24
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
- 24 hrs trail running + 3182 ft 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 20 Jun
- £20-£100
Two Rose Ultra | Two Roses Ultra - 100K
- 100 km multi terrain running + 5175 ft ascent
- Fri 3 - Sat 4 Jul
- £103-£105
The Full Essex Way Ultra
- 82 miles trail running + 3469 ft ascent
- Sat 8 Aug
- £108-£110
Stour Valley Path Ultra Run | 100K
- 100 km trail running + 912 m ascent
- Sat 15 - Sun 16 Aug
- £73-£75
Foxton Hound Ultra 100K
- 100 km trail running