Course
A backyard ultra on a looped trail circuit through Cosmeston Lakes Country Park, starting and finishing at the Medieval Village at Cosmeston, Penarth. Runners cover 4.167 miles every hour until one is left standing. Fast underfoot: compact gravel trail, woodland path and tarmac, and mostly flat. Event HQ has hot and cold water, plumbed toilets, charging points and indoor shelter.
Key dates
- !RegistrationOpen now
- ★Race dayFri 23 Apr 2027
About
The Medieval Backyard Ultra challenges runners to a unique endurance test at the scenic Cosmeston Lakes in Wales. Inspired by medieval lore, this "last one standing" event pushes participants to their limits as they loop a 4.167-mile course against the clock, with the last runner left standing crowned the champion. Runners seeking an extraordinary test of their mettle won't want to miss this one-of-a-kind challenge.
Save The Medieval Backyard Ultra 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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