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Join us for the BOWUM – The Borderlands of Wales Ultra Marathon, an unforgettable journey through the heart of Monmouthshire. Covering 30 miles of raw Welsh beauty, this ultra marathon explores the legendary Three Castles Walk, connecting the historic fortresses of Skenfrith, Grosmont, and White Castle.This is more than just a race – it’s an adventure through the ancient borderlands where Wales meets England, weaving through rolling hills, hidden valleys, and timeless villages. Whether you’re chasing a personal best or soaking in the scenery, Pegasus invites you to discover the soul of the Welsh Marches.
Experience the spirit of Wales, its rugged landscapes, deep history, and unmatched natural beauty – all in one epic day on foot.
The Borderlands of Wales
The Borderlands of Wales Circular is a stunning route through the historic borderlands of Monmouthshire, where Wales meets England in a dramatic landscape of castles, valleys, and ancient trails. This circular adventure blends parts of the Three Castles Walk, Offa’s Dyke Path, and surrounding countryside into one unforgettable journey.
Points of interest
The Three Castles – Skenfrith, Grosmont, and White Castle – are the crown jewels of Monmouthshire’s borderlands. Steeped in history and standing guard over the surrounding countryside, these medieval fortresses are impossible to miss – and unforgettable to experience.
In 2026, we launch something entirely new – the very first edition of BOWUM: The Borderlands of Wales Ultra Marathon. Be part of this exciting debut event as we open the gates to a fresh challenge through the breathtaking Three Castles Walk and the historic borderlands of Monmouthshire.
Challenge your perceived limits in a safe, supportive, and welcoming environment – where stunning scenery, rich history, and a strong sense of community come together.
Make history with us at the inaugural BOWUM in 2026!
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Event Venue & Nearby Stays
Monmouth, United Kingdom
Tickets
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