Half marathons in East Sussex
Find 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.
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- Sun 1 Mar
- £20-£35
ALTRA Brighton Half Marathon
Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!
- 13.1 miles road running
- Sun 22 Mar
- £37-£39
Hastings Half Marathon
This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.
- 13.1 miles road running + 961 ft ascent
- Sat 13 Jun
- £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.
- 13.1 miles trail running + 710 ft ascent
- Sat 12 Sep
- £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.
- 13.1 miles trail running + 710 ft ascent
- Sat 7 Mar
- £47
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sun 8 Mar
- £34-£36
Eastbourne Half Marathon
- 13.1 miles road running + 166 m ascent
- Sat 11 Apr
- £10-£49
The Maverick East Sussex Trail | Half Marathon - 21K
- 21 km trail running
- Sun 10 May
- £40-£42
The Rathfinny Run 10.7K and Half Marathon | Half Marathon
- 21.4 km trail running
- Sat 23 May
- £42-£44
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Sat 3 Oct
- £44-£46
Dark Downs Half Marathon
- 13.8 miles trail running + 1686 ft ascent