Phil McGurk was leading at the first timing point in the Supertwin race, but by the end of the first lap Nigel Moore had a 17 second lead over Trevor Ferguson with Michael Sweeney a further seven seconds back in third.

An incident at the Nook on the second lap saw Sweeney move into second place and Brian Mateer take third at the end of the lap.

The top three retained their positions at the end of the fourth lap with Nigel Moore taking the MGP SuperTwin title with 1:22.09.61 – (110.214mph) from Michael Sweeney (1:24.00.73 – 107.784mph) with Brian Mateer finishing third 1:24.28.55 – (107.193mph).

In the concurrent Lightweight race, Alistair Haworth established a lead of almost 13 seconds from Ross Johnson after an opening lap of 21:29.84 (105.306) with Colin Martin on a 400cc Honda in third, Adam Jones holding fourth and Gavin Lupton completing the top five.