Marathons in East Sussex
Find marathons near me in East Sussex for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 10 May
- £53-£55
- Sat 10 May
- £53-£55
Bewl Water Spring | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 26.2 miles trail running
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | Marathon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 26.2 miles trail running
- Sat 13 Sep
- £53-£55
- Sat 13 Sep
- £53-£55
Bewl Water Autumn | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18 & over
- 26.2 miles trail running
- Sun 12 Apr 2026
- 11 charities
- Sun 12 Apr 2026
- 11 charities
Brighton Marathon
Secure your charity place in the Brighton Marathon today. Run for charity in this beautiful seaside event while supporting top UK charities. Find a cause and join their team today!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Traffic free
- Age 18 & over
- 26.2 miles road running + 447 ft ascent