Hilly Trail runs in UK in May 2026
Find hilly trail runs in UK in May 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 10 May
- £55
Something Wild Festival | Summit Wild Ultra
A stunning ultra trail race taking in the South West Coast Path on a fully-marked route with chip timing and eco medals for all, as part of the festival weekend!
- 50 km trail running
- Fri 15 - Sun 17 May
- £30
Keswick Mountain Festival
The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 14 more races
- 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 30 May
- £35
Lake District Running Festival | 17km Grasmere Gallop
A 17K trail run as part of the Lake District Running Festival in an iconic location with a grandstand finish, wooden medal, free event photos and, more importantly, cake...
- 17 km trail running + 369 m ascent
- Sun 10 May
- £28-£42
The Rathfinny Run 10.7K and Half Marathon
- 10K run
- Half marathon
- Thu 21 May
- £8-£10
Howesy’s Harriers’ Hat-Trick - Silkstone Shuffle
- 4.5 miles trail running
- Sat 23 May
- £42-£44
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent