Harrison comes into the pits for his second stop. That was a 134.12mph lap.
At the Bungalow, Harrison's lead is now 34.058s, but Hickman is back into second ahead of Dunlop - 0.135s.
Dunlop is now ahead of McGuinness on the road.
Harrison's lead at Ramsey is 33.6s.
Dunlop is back into second ahead of Hickman, though only by 0.153s.
McGuinness is pushing hard here. He ran wide into Parliament Square. He still has Dunlop behind him on the road, which is impressive.
For the moment, Brookes looks to have fourth over McGuinness in hand with a seven-second advantage that has remained stable for a while.
At Ballaugh, Harrison's lead is 32.6s from Hickman, who is holding Dunlop 0.750s at bay.
One thing we haven't noted yet is that Conor Cummins has ditched the Bathams BMW Superbike and is on his own Conrod Racing Superstock-spec bike.
He's hanging onto the top 10 on it.
Jonathan Perry and Mark Parrett have retired from this race.
In the battle for fourth, Brookes has 7.7s on McGuinness. But McGuinness is about to be passed by Dunlop, and he may be able to use that to help drag him closer to Brookes.
Through Glen Helen on lap four, and Harrison continues to extend his lead.
He's 30.3s ahead of Hickman, who is only 0.784s ahead of Dunlop in this tense battle for second.
Standings at the end of lap three:
- Harrison
- Hickman
- Dunlop
- Brookes
- McGuinness
- Coward
- Hutchinson
- Browne
- N.Harrison
- Cummins
Hickman has extended over Dunlop. He's 2.4s up on Dunlop at the start of lap four.
Harrison rips through the Grandstand to start the fourth lap.
McGuinness is under fives seconds behind Brookes in the battle for fourth.
At the Bungalow, Harrison is 28.9s up on Hickman, who is now into second and 1.002s up on Dunlop.
Harrison's lead is up to 28.560s over Dunlop, who has Hickman 0.471s behind.
So, this battle for second remains tight at Ramsey.
Hickman has Brookes and Coward ahead of him to pass.
Top 10 at Ballaugh:
- Harrison
- Dunlop
- Hickman
- Brookes
- McGuinness
- Coward
- Hutchinson
- N.Harrison
- Browne
- Cummins
Hickman stays third, but is now 0.784s behind Dunlop and is coming up on traffic.
Harrison is through Ballaugh and is 27.5s clear of Dunlop now.
David Johnson has retired.
Harrison's lead is 24.4s at Glen Helen over Dunlop, who is 0.332s ahead of Hickman.
Standings on lap 2:
- Harrison
- Dunlop
- Hickman
- Brookes
- McGuinness
- Hutchinson
- Coward
- N.Harrison
- Browne
- Cummins
McGuinness did a 132mph lap into the pits. He's on course for his best lap ever today. He holds fifth, 7.4s behind Brookes.
