Trail Marathons in August 2026
Find trail 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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- Sat 8 Aug
- £56-£93
ATW First To Full Triathlon Festival | 12hr Solo
Alongside the multisports, there’s a 12-hour endurance run where you can push your limits as an individual or join forces in a relay team. Run as far as you can in 12 hours and soak up the support.
- Chip timing
- Enter online
- PB
- Relay
- Age 20 & over
- 12 hrs trail running
- Sun 9 Aug
- £53-£55
Thames Meander Summer | Marathon
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.
- Chip timing
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running + 600 ft ascent
- Sat 15 Aug
- £40-£42
Sir Titus Summer Trot | 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
- 26.2 miles trail running
- Sat 22 Aug
- £40-£42
Summer Extravaganza | Marathon
Soak up summer miles on a flat, fast canal towpath, with great support, generous treats and distances for every runner including marathon — a Yorkshire day out to remember.
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running + 288 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 | Marathon - 42K
- 26.2 miles trail running + 1328 m ascent
- Sun 9 Aug
Allgau Panorama Marathon | Marathon
- 42.2 km trail running + 1375 m ascent
- Sun 9 Aug
Hardmoors 26.2 Farndale Trail Races | Marathon
- 29 miles trail running + 4200 ft ascent
- Sat 22 Aug
INFERNO - Edale's Ring of Hell
- 10 miler
- Half marathon
- Marathon
- Ultra run
- Sun 30 Aug
Hardmoors 26.2 Roseberry Trail Races | Marathon
- 30 miles trail running + 4850 ft ascent