How big is the Snaefell Mountain Course?

A lap of the Snaefell Mountain Course is 37.73 miles (60.721 km) on the Isle of Man's public roads, closed for racing, with more than 200 corners.

km a lap: 60.721
miles a lap: 37.73
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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Map: <a href="https://how-big-is.com/snaefell-mountain-course/">How big is the Snaefell Mountain Course?</a> by how-big-is.com. Outline: © OpenStreetMap contributors.</p>

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Over the mountain

The lap runs clockwise from Douglas through Kirk Michael and Ramsey, then back over the Mountain Road, 1,385 feet (422 m) up at its highest.

How it compares

10.46×a lap of Suzuka
10.31×a lap of Silverstone
8.67×a lap of Spa-Francorchamps
2.91×a lap of the Nürburgring Nordschleife

Questions people ask

How long is a lap of the Snaefell Mountain Course?

37.73 miles (60.721 km).

How many corners does the Mountain Course have?

More than 200, by most counts.

How long does a lap take?

The fastest riders lap in under 17 minutes, averaging more than 135 mph.

Which races is it famous for?

The Isle of Man TT® races, held every May and June.

Where the numbers come from

TT is a registered trade mark of the Department for Enterprise (a Department of the Isle of Man Government).