John McGuinness secured his 16th TT success by winning the six-lap Superbike TT in perfect conditions. The Honda rider from England came home 56 seconds ahead of runner-up Cameron Donald, with Gary Johnson third. Keith Amor, Ballymoney’s Michael Dunlop and Dan Stewart completed the top six leaderboard in the TT opener.New Zealander Bruce Anstey led for part of the race but retired on lap three after setting the fastest lap of the race at 131.05 mph. At the end of lap one McGuinness led by 0.5 seconds from Anstey, with Johnson third and Guy Martin fourth. Anstey assumed the lead after the second circuit, thanks to his lap at over 131 mph, with Martin up to third and Johnson fourth.A quick pitstop by McGuinness saw him move into the lead again and then Anstey retired his Padgetts Honda at Quarry Bends. Morecambe man McGuinness led Martin by 19 seconds after lap three and lap four.