Trail Half marathons in East Sussex
Find trail half marathons in East Sussex in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 13 Jun 2026
- £43-£45
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.
- Chip timing
- Enter online
- Hilly
- Age 17-80
- 13.1 miles trail running + 710 ft ascent

- Sat 12 Sep 2026
- £43-£45
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.
- Chip timing
- Enter online
- Undulating
- Age 17-80
- 13.1 miles trail running + 710 ft ascent
- Sun 26 Oct
Beachy Head Marathon | Half Marathon
- 13.1 miles trail running + 1601 ft ascent
- Sat 7 Mar 2026
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sat 23 May 2026
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent