Here are 13 spectacular pictures taking around the 4.25-mile course, where racing concludes with Championship Day on Thursday, July 14.

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Michael Dunlop, spectacular as ever, on his MD Racing Yamaha YZF-R6 Supersport machine. Dunlop won the second Supersport race on Thursday morning.

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Bradford's Dean Harrison (DAO Racing Kawasaki) leads Davey Todd (Milenco by Padgett's Honda) in Supersport practice at Billown.

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Jamie Coward won the first Lightweight Supertwin race from Rob Hodson on his KTS Racing/Steadplan Kawasaki.

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Fast and furious in the Supersport class with Davey Todd (Milenco by Padgett's Honda) leading Dean Harrison (DAO Racing Kawasaki) and Michael Dunlop (MD Racing Yamaha).
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