Marathons in UK in August 2026
Find marathons in UK 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 2026
- £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 + 0 ft ascent
- Sun 9 Aug 2026
- £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 2026
- £38-£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 + 506 ft ascent
- Sat 22 Aug 2026
- £33-£38
The Lucky Clover | Full Marathon
Your race, your pace, your distance! Marathon runners will explore The Clover Route which is on road and receive a special bespoke medal too.
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 26.2 miles road running + 633 ft ascent
- Sun 30 Aug 2026
- £17-£29
GNR & Time Turner | Marathon
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!
- Enter online
- Age 18 & over
- 26.2 miles trail running
- Sat 8 Aug 2026
The Maverick Ochil Hills Trail | Marathon - 42K
- 26.2 miles trail running + 1328 m ascent
- Sun 9 Aug 2026
Hardmoors 26.2 Farndale Trail Races | Marathon
- 29 miles trail running + 4200 ft ascent
- Sat 22 Aug 2026
INFERNO - Edale's Ring of Hell
- 10 miler
- Half marathon
- Marathon
- Ultra run
- Sun 30 Aug 2026
Hardmoors 26.2 Roseberry Trail Races | Marathon
- 30 miles trail running + 4850 ft ascent