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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- Sat 6 Jun
- £80-£130
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
- Thu 23 Jul
- £30-£35
Great Barrow Challenge | Day 1 | Ultra Marathon
Day 1 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running + 203 ft ascent
- Fri 24 Jul
- £30-£35
Great Barrow Challenge | Day 2 | Ultra Marathon
Day 2 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running + 764 ft ascent
- Sat 25 Jul
- £30-£35
Great Barrow Challenge | Day 3 | Ultra Marathon
Day 3 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Sun 26 Jul
- £30-£35
Great Barrow Challenge | Day 4 | Ultra Marathon
Day 4 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Mon 27 Jul
- £30-£35
Great Barrow Challenge | Day 5 | Ultra Marathon
Day 5 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Tue 28 Jul
- £30-£35
Great Barrow Challenge | Day 6 | Ultra Marathon
Day 6 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Wed 29 Jul
- £30-£35
Great Barrow Challenge | Day 7 | Ultra Marathon
Day 7 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Thu 30 Jul
- £30-£35
Great Barrow Challenge | Day 8 | Ultra Marathon
Day 8 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Fri 31 Jul
- £30-£35
Great Barrow Challenge | Day 9 | Ultra Marathon
Day 9 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Sat 1 Aug
- £30-£35
Great Barrow Challenge | Day 10 | Ultra Marathon
Day 10 of ten-running-events-in-ten-days in the beautiful Suffolk Countryside. Choose a 5K, 10K, Half Marathon, Marathon or Ultra Marathon each day. Run one day or run all ten!
- 32 miles trail running
- Sat 12 Sep
- £80-£120
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
- Sat 19 Sep
- £33-£38
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