UK road ultramarathons · Fixed distance
Great Barrow Challenge — road ultras
Barrow, Suffolk · England
Individual ultra entries within a ten-day running festival. The route changes each day, so this guide includes only the three days whose descriptions explicitly confirm a road course.
- Distance / format
- Marathon plus an extra 5 km or 10 km route
- Surface
- Road · selected days only
- Next listed date
- 30 Jul 2027
- Typical field size
- Not confirmed
The course and challenge
Day 2 uses Windmill, Day 6 Golding Hills and Day 8 Mill Wind. Each published route is described as 100% road. Ultra runners continue beyond the marathon distance; other festival days may include trails.
Dates and entry
Book the individual day and ultra distance. Route descriptions are more specific than the entry site's generic festival terrain tag; reconfirm the chosen route before entering.
- Official edition details
30 Jul 2027
Day 2 · Windmill
- Official edition details
3 Aug 2027
Day 6 · Golding Hills
- Official edition details
5 Aug 2027
Day 8 · Mill Wind
Entry information checked 26 Sept 2026. A published race date does not guarantee available places.