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Trail Ultra runs in Suffolk

Find trail ultra runs in Suffolk in 2026/2027 - 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.

Join Zig Zag Running at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling more than marathon distance on paths and trails.
  • Sun 12 Apr
  • £33-£38
Stowmarket, Suffolk

Haughley Festival of Running | Ultra Marathon

Join Zig Zag Running at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling more than marathon distance on paths and trails.

  • 6 hrs trail running
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
Push your limits at the highly competitive Summer Suffolk Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
  • Sat 6 Jun
  • £80-£130
Brandon, Suffolk

Suffolk Back Yard Ultra Festival

Push your limits at the highly competitive Summer Suffolk Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.

  • Fixed time runs 2
  • Ultra run
  • Families
  • Beginner-friendly
  • Event village
  • Age 12 & over
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
  • Sat 12 Sep
  • £80-£120
Brandon, Suffolk

Thetford Back Yard Ultra Festival

Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.

  • Fixed time runs 2
  • Ultra run
  • Families
  • Beginner-friendly
  • Event village
  • Age 12 & over
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
  • Sat 19 Sep
  • £33-£38
Bury Saint Edmunds, Suffolk

The Lucky Horseshoe | Ultra Marathon

Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!

  • 7 hrs trail running + 1260 ft ascent
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • Thu 23 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 1 | Ultra Marathon

  • 32 miles trail running + 203 ft ascent
  • Fri 24 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 2 | Ultra Marathon

  • 32 miles trail running + 764 ft ascent
  • Sat 25 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 3 | Ultra Marathon

  • 32 miles trail running
  • Sun 26 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 4 | Ultra Marathon

  • 32 miles trail running
  • Mon 27 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 5 | Ultra Marathon

  • 32 miles trail running
  • Tue 28 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 6 | Ultra Marathon

  • 32 miles trail running
  • Wed 29 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 7 | Ultra Marathon

  • 32 miles trail running
  • Thu 30 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 8 | Ultra Marathon

  • 32 miles trail running
  • Fri 31 Jul
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 9 | Ultra Marathon

  • 32 miles trail running
  • Sat 1 Aug
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 10 | Ultra Marathon

  • 32 miles trail running
  • Sat 8 Aug
  • £68-£110
Manningtree, Suffolk

Stour Valley Path Ultra Run

  • 100K ultra run
  • 50K ultra run

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