Course
A dusk-till-dawn loop starting and finishing at Plumpton Racecourse near Lewes, setting off at 18:30 with a 12-hour limit. The route runs 95% trail and 5% road across the rolling South Downs National Park, with about 4,400ft of ascent. Four staffed aid stations serve the course, which is fully marked with highly reflective signage for running in darkness.
Key dates
- ★Race dayOctober 2027 · date to be announced
About
The UK Ultra Dark Downs 50K is a Dusk till Dawn loop in the South Downs, starting and finishing at Plumpton Racecourse. Runners will have 12 hours to complete the race, with 95% trail and 5% road terrain, featuring 4 aid stations and a fully marked course.
Save UK Ultra Dark Downs 50K & Half 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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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.