Michael Dunlop earned Isle of Man TT win number 15, taking a red-flagged Senior TT with an average speed of 130.456 mph.
The initial race was halted on the second lap when Ian Hutchinson crashed at around the 27th milestone. Hutchinson was conscious and was taken to hospital where he was treated for a fractured femur. At the time, Hutchinson was running in second behind Peter Hickman and ahead of Dean Harrison. The race was later restarted with the distance shortened from six laps to four.

Dunlop took the lead through Glen Helen after the restart, holding a 1.5 second edge over Bruce Anstey with Harrison in third ahead of a pack including Hickman, Michael Rutter and James Hillier.
With an average speed of 132.292 mph, Dunlop led the opening lap, with Hickman 4.3 seconds behind him in second and Anstey holding a 0.3-second gap over Harrison for third.
Dunlop maintained a lead over Hickman after the second lap, leading by 9.2 seconds, as they entered the pits. Hickman remained in second with Harrison third. Anstey, however, had retired, putting Rutter up to fourth.
Hickman narrowed the lead to 7.7 seconds on their third time through Glen Helen, but by the time they reached Ramsey, the gap had grown again, to 8.5 seconds. Heading into the fourth and final lap, Dunlop held a 10.6 second margin over Hickman.

Dunlop would hold on for his 15th TT victory, winning by 13.3 seconds. Hickman finished second with Harrison in third, repeating their results from the Superbike TT.
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