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Trail Marathons in East of England in August 2026

Find trail marathons in East of England 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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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!
  • Sat 1 Aug
  • £30-£35
Bury Saint Edmunds, Suffolk

Great Barrow Challenge | Day 10 | Full 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!

  • 26.2 miles trail running
  • Enter online
  • Undulating
  • 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-£100
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

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