8
Trail Half marathons in East Sussex
Find trail half marathons in East Sussex in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by place
Filter by date
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 13 Jun
- £43-£45
Wadhurst, East Sussex, UK
Bewl Water Summer | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
- 13.1 miles trail running + 710 ft ascent
- Sat 12 Sep
- £43-£45
Wadhurst, East Sussex, UK
Bewl Water Autumn | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
- 13.1 miles trail running + 710 ft ascent
- Sat 7 Mar
- £47
Eastbourne, East Sussex, UK
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sat 11 Apr
- £10-£49
Brighton, East Sussex, UK
The Maverick East Sussex Trail | Half Marathon - 21K
- 21 km trail running
- Sun 10 May
- £40-£42
Polegate, East Sussex, UK
The Rathfinny Run 10.7K and Half Marathon | Half Marathon
- 21.4 km trail running
- Sat 23 May
- £42-£44
Eastbourne, East Sussex, UK
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Sat 3 Oct
- £44-£46
Lewes, East Sussex, UK
Dark Downs Half Marathon
- 13.8 miles trail running + 1686 ft ascent