Trail Marathons in UK in July 2026
Find trail marathons in UK in July 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 5 Jul
- £33-£38
Summer Ready Run
Come and join the fun in a 4 or 6-hour running challenge at Ferry Meadows! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
- Multi-terrain run 2
- Sat 11 Jul
- £40-£42
Sithee at Slawit Again | Marathon
Starting and finishing in the village of Slaithwaite, pronounced 'Slawit' to the locals, this is perhaps the most undulating canal by a long chalk. Bespoke medal, drinks and goodies for all.
- 26.2 miles trail running + 834 ft ascent
- Sat 11 Jul
- £40-£42
It's cracking t'flags at Summer Extravaganza | Marathon
Runners will trail along the tranquil Leeds to Liverpool Canal (Kirkstall) on an entirely flat route, making it perfect for beginners who want to take in the beautiful lakeside sights.
- 26.2 miles trail running
- Sun 12 Jul
- £27-£38
Norfolk Festival of Running
Run, lap, repeat — from 5K to ultra-marathon across scenic trails at Bawsey Country Park, with friendly support, flexible distances and the freedom to run your own way.
- Fixed time runs 2
- Sun 12 Jul
- £59.99-£64.99
Snowdonia Trail Marathon Eryri
The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
- 27.3 miles trail running + 1685 m ascent
- Sun 12 Jul
Rasselbock Marathon
- 26.2 miles trail running + 1384 ft ascent
- Sun 19 Jul
- £16-£29
Ooops I Ran It Again | North
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 19 Jul
- £50.50-£60
Revesby Running Festival | Challenge The Estate
A new and totally unique running challenge where you aim to run 10 x 5K laps which get faster the more you complete. How far can you go?
- 1 day trail running
- Thu 23 Jul - Sat 1 Aug
- £300-£350
Great Barrow Challenge | 10 events in 10 days
10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
- 10 days trail running
- Sun 26 Jul
- £55
Bright Skies Surrey Hills | Marathon
The Bright Skies Marathon is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
- 26.2 miles trail running
- Sat 11 Jul
Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon
- 27 miles trail running + 5505 ft ascent
- Sun 19 Jul
Fairlands Valley Challenge | Marathon
- 26.2 miles trail running
- Thu 23 Jul
Great Barrow Challenge | Day 1 | Full Marathon
- 26.2 miles trail running + 203 ft ascent
- Fri 24 Jul
Great Barrow Challenge | Day 2 | Full Marathon
- 26.2 miles trail running + 764 ft ascent
- Sat 25 Jul
Great Barrow Challenge | Day 3 | Full Marathon
- 26.2 miles trail running + 1247 ft ascent
- Sun 26 Jul
Great Barrow Challenge | Day 4 | Full Marathon
- 26.2 miles trail running + 1260 ft ascent
- Mon 27 Jul
Great Barrow Challenge | Day 5 | Full Marathon
- 26.2 miles trail running
- Tue 28 Jul
Great Barrow Challenge | Day 6 | Full Marathon
- 26.2 miles trail running
- Wed 29 Jul
Great Barrow Challenge | Day 7 | Full Marathon
- 26.2 miles trail running
- Thu 30 Jul
Great Barrow Challenge | Day 8 | Full Marathon
- 26.2 miles trail running
- Fri 31 Jul
Great Barrow Challenge | Day 9 | Full Marathon
- 26.2 miles trail running