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Flat Ultra runs in UK in August 2026

Find flat ultra runs 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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The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.
  • Sat 8 Aug
  • £56-£95
St. Neots, Cambridgeshire, UK

ATW Odyssey12

The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.

  • 12 hrs trail running
  • Recycling
  • Beginner-friendly
  • Music
  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Park
  • Sustainability policy
  • Relay
  • Age 18 & 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
  • £16-£35
Staines, Surrey, UK

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
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
  • £54-£56
Shipley, West Yorkshire, UK

Sir Titus Summer Trot | Ultra 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.

  • 50 km trail running
  • Chip timing
  • Enter online
  • Flat
  • Age 21 & 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
  • £16-£29
Durham, County Durham, UK

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

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