Trail Marathons in UK in Summer
Find trail marathons 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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.
- 26.2 miles trail running + 600 ft ascent
- Fri 14 Aug
- £15-£27
Midweek Chasing Numbers Aug | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 26.2 miles trail running
- 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.
- 26.2 miles trail running
- Sat 15 Aug
- £23-£35
I'm Not Throwing Away My Shot Run | Marathon
If you're a fan of the musical Hamilton, then this is the run for you! This is an amazing Hamilton-inspired event with an incredible themed medal too.
- 26.2 miles trail running
- Fri 21 Aug
- £15-£27
Midweek Medal Madness Run August | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 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.
- 26.2 miles trail running + 288 ft ascent
- Sun 30 Aug
- £15-£29
GNR & Time Turner | Durham
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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 7 Jun
- £15-£54
Marathon, 1/2 and Mini-10K in Coniston
- 10K run
- Half marathon 2
- Marathon 2
- Sun 14 Jun
- £49-£51
Hardmoors 26.2 Wainstones Trail Marathon | Marathon
- 28 miles trail running
- Sun 14 Jun
- £61-£63
The Hampshire Hoppit | Marathon
- 26.2 miles trail running + 650 m ascent
- Sun 28 Jun
- £45.90-£53
TrailFest | Salcey Forest | Marathon
- 26.2 miles trail running + 778 ft ascent
- Sat 11 Jul
- £70
Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon
- 27 miles trail running + 5505 ft ascent
- Sun 19 Jul
- £23-£25
Fairlands Valley Challenge | Marathon
- 26.2 miles trail running
- Thu 23 Jul
- £30-£35
Great Barrow Challenge | Day 1 | Full Marathon
- 26.2 miles trail running + 203 ft ascent
- Fri 24 Jul
- £30-£35
Great Barrow Challenge | Day 2 | Full Marathon
- 26.2 miles trail running + 764 ft ascent
- Sat 25 Jul
- £30-£35
Great Barrow Challenge | Day 3 | Full Marathon
- 26.2 miles trail running + 1247 ft ascent
- Sun 26 Jul
- £30-£35
Great Barrow Challenge | Day 4 | Full Marathon
- 26.2 miles trail running + 1260 ft ascent
- Mon 27 Jul
- £30-£35
Great Barrow Challenge | Day 5 | Full Marathon
- 26.2 miles trail running
- Tue 28 Jul
- £30-£35
Great Barrow Challenge | Day 6 | Full Marathon
- 26.2 miles trail running
- Wed 29 Jul
- £30-£35
Great Barrow Challenge | Day 7 | Full Marathon
- 26.2 miles trail running
- Thu 30 Jul
- £30-£35
Great Barrow Challenge | Day 8 | Full Marathon
- 26.2 miles trail running