Skamper
16.1km

St Mary's Circumnavigation — 16.1 km Running Route

by Skamper

St Mary's Circumnavigation is a 16.1 km (10.0 miles) loop in St Mary's, Isles of Scilly, England: flat, with 150 m of climb, on mostly trail ground.

150 mAscent
Paved15%Paved
1/5Hilly

Start anywhere route. Jump on the course line at any point — wherever you start will also be your finish point.

St Mary's Circumnavigation running route
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Photos

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Elevation

Explore the St Mary's Circumnavigation

Location: St Mary's, Isles of Scilly, England

Explore the captivating coastline of St. Mary's, Isles of Scilly, on this scenic circuit. Starting near Hugh Town, the route guides you past The Garrison and along rugged headlands, offering expansive ocean views and glimpses of neighbouring islands. You’ll encounter a mix of surfaces, from sandy stretches at Porth Cressa Beach to the more uneven rocky terrain around Peninnis Head, where the lighthouse stands sentinel.

Continue past tranquil bays like Porth Hellick and Pelistry, soaking in the island's natural beauty and rich history. This 16.1 km anticlockwise loop presents an inspiring challenge for intermediate runners, or those seeking a longer, rewarding run with spectacular coastal vistas. It's a fantastic way to experience the diverse landscapes and serene charm of St. Mary's.

Common questions

How long is this route?
It's a 16.1 km loop in St Mary's, Isles of Scilly, England with around 150 metres of total ascent.
How long will it take me to run it?
Use the 'Your time estimate' panel at the top of this page — it predicts your finish time for this exact route from your age, sex and most recent benchmark, accounting for distance, ascent and surface.
Is it hilly?
Barely. It rates 1 out of 5 on our hill scale — gently undulating. About 9 metres of climb per kilometre, 150 metres in total.
What's the surface like?
It's mostly off-road (around 85% trail). Trail shoes are recommended.

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