Course
Off-road races starting and finishing on Eastbourne seafront at the start of the South Downs Way, crossing the South Downs National Park. The marathon, half marathon, ultra (about 52.6km) and 10K share the downland course; the 10K loops out to Belle Tout Lighthouse and back, and the half covers much of the marathon route.
Key dates
- !RegistrationOpen now
- ★Race daySat 24 Oct 2026
About
One of the biggest off-road marathons in the UK returns on 24-25 October 2026 for a 46th year! Formerly known as the Seven Sisters Marathon, it is popular for its scenic and challenging route through the South Downs National Park countryside. Great for runners, joggers or walkers looking to get fit.
Save Beachy Head Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Monsal Trail October Half Marathon & 10K
Runs the old railway line past Monsal Head viaduct
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Thames Trail Ultra
Beloved ultra tracing the Thames past rowing clubs and villages
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EnduranceLife North York Moors
Trail routes through a National Park steeped in Yorkshire heritage
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Nidderdale Way Ultra
A multi-day ultra along the entire Nidderdale Way
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.