Trail Half marathons in August 2026
Find trail half marathons near me in August 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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- Sun 9 Aug
- £43-£45
Thames Meander Summer | Half Marathon
Stunningly scenic riverside route along the Thames towpath. Flat, fast and very runnable with great runner support. The marathon on the same day was previously rated one of the top 10 UK marathons.
- Chip timing
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 300 ft ascent
- Sat 15 Aug
- £28-£30
Sir Titus Summer Trot | Half Marathon
Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
- Chip timing
- Enter online
- Flat
- Age 18 & over
- 13.1 miles trail running + 253 ft ascent
- Sat 22 Aug
- £30-£32
Summer Extravaganza | Half Marathon
Soak up summer miles on a flat, fast canal towpath, with great support, generous treats and distances for every runner including half marathon — a Yorkshire day out to remember.
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 144 ft ascent
- Sun 30 Aug
- £16-£29
GNR & Time Turner
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!
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 8 Aug
The Maverick Ochil Hills Trail | Half Marathon - 26K
- 26 km trail running + 961 m ascent
- Sun 9 Aug
Allgau Panorama Marathon | Half Marathon
- 21.1 km trail running + 140 m ascent
- Sun 9 Aug
Hardmoors 26.2 Farndale Trail Races | Half Marathon
- 16.5 miles trail running + 2300 ft ascent
- Fri 14 Aug
Midweek Medal Madness Run August | Half Marathon
- 13.1 miles trail running
- Sat 22 Aug
INFERNO - Edale's Ring of Hell | Half Marathon
- 15.5 miles trail running + 4000 ft ascent
- Sun 23 Aug
Borrowdale Trail Half Marathon
- 13 miles trail running + 765 m ascent
- Sun 30 Aug
Hardmoors 26.2 Roseberry Trail Races | Half Marathon
- 14.5 miles trail running + 3200 ft ascent