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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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It's just a jump to the left... come and join one of the funniest days out in Shropshire: fast marathon times, fancy dress, and a lot of laughs and support.
  • Sun 2 Aug
  • £40-£42
Shrewsbury, Shropshire

The Rocky Horror Picture Show | Marathon

It's just a jump to the left... come and join one of the funniest days out in Shropshire: fast marathon times, fancy dress, and a lot of laughs and support.

  • 26.2 miles road running
  • Enter online
  • PB
  • Age 18 & over
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.
  • Sat 8 Aug
  • £56-£95
St. Neots, Cambridgeshire

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.

  • 12 hrs trail running
  • Chip timing
  • Enter online
  • PB
  • Relay
  • Age 20 & over
Who doesn't like cake?! The Great British Bake Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!
  • Sun 9 Aug
  • £15-£35
Staines, Surrey

Great British Bake Run

Who doesn't like cake?! The Great British Bake Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
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.
  • Sun 9 Aug
  • £53-£55
London

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
  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
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.
  • Fri 14 Aug
  • £15-£27
Egham, Surrey

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
  • Enter online
  • Age 18 & over
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.
  • Sat 15 Aug
  • £40-£42
Shipley, West Yorkshire

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
  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
Take on a stunning marathon journey along the Welsh coastline, from Aberdyfi to finish in style in Barmouth. It's an unforgettable challenge packed with scenery, heritage, and adventure.
  • Sat 15 Aug
  • £44-£45
Aberdovey, Gwynedd

Run to the Castle Ultra | Marathon

Take on a stunning marathon journey along the Welsh coastline, from Aberdyfi to finish in style in Barmouth. It's an unforgettable challenge packed with scenery, heritage, and adventure.

  • 26.2 miles multi terrain running
  • Enter online
  • Hilly
  • Age 18 & over
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.
  • Sat 15 Aug
  • £23-£35
Staines, Surrey

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
  • Enter online
  • Age 18 & over
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.
  • Fri 21 Aug
  • £15-£27
Egham, Surrey

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
  • Enter online
  • Age 18 & over
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.
  • Sat 22 Aug
  • £40-£42
Leeds, West Yorkshire

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
  • Enter online
  • Flat
  • Age 18 & over
Your race, your pace, your distance! Marathon runners will explore The Clover Route which is on road and receive a special bespoke medal too.
  • Sat 22 Aug
  • £33-£38
Bury Saint Edmunds, Suffolk

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.

  • 26.2 miles road running + 1266 ft ascent
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
Who doesn't like cake?! The Great British Bake Run is back for another year with a totally unique baking competition with prizes on the day too!
  • Sat 22 Aug
  • £22-£34
Aberdare, Mid Glamorgan

Great British Bake Run | Wales | Marathon

Who doesn't like cake?! The Great British Bake Run is back for another year with a totally unique baking competition with prizes on the day too!

  • 26.2 miles road running
  • Enter online
  • Age 18 & over
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!
  • Sun 30 Aug
  • £15-£29
Durham, County Durham

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
  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Sat 1 Aug
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 10 | Full Marathon

  • 26.2 miles trail running
  • Sat 8 Aug
  • £10-£79
Stirling

The Maverick Ochil Hills Trail | Marathon - 42K

  • 26.2 miles trail running + 1328 m ascent
  • Sun 9 Aug
  • £49-£51
York, North Yorkshire

Hardmoors 26.2 Farndale Trail Races | Marathon

  • 29 miles trail running + 4200 ft ascent
  • Sat 22 Aug
  • £33-£58
Hope Valley, Derbyshire

INFERNO - Edale's Ring of Hell

  • 10 miler
  • Half marathon
  • Marathon
  • Ultra run
  • Sun 23 Aug
  • £52-£57
Keswick, Cumbria

Scafell Pike Marathon

  • 27 miles trail running
  • Sun 30 Aug
  • £49-£51
Guisborough, North Yorkshire

Hardmoors 26.2 Roseberry Trail Races | Marathon

  • 30 miles trail running + 4850 ft ascent

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