Flat Ultra runs in East of England in Autumn
Find flat ultra runs in East of England in Autumn - 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 12 Sep 2026
- £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.
- Families
- Beginner-friendly
- Event village
- Age 12 & over
- Fixed time runs 2
- Ultra run
- Sun 25 Oct 2026
- £35
Stort30
A stunningly pretty 30-mile out-and-back ultra on the border of Hertfordshire and Essex along the River Stort and Lee navigation. A great first foray into ultra running or a fast competitive race.
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- Event village
- Rural
- Age 18 & over
- 30 miles trail running + 188 ft ascent