Race One: Richard Cooper wins Supertwin opener
Race Two: Lee Johnston takes thrilling Supersport win
Race Three: Glenn Irwin holds off Davey Todd
Race Four: Cooper makes it a Supertwin double
Race Five: Alastair Seeley claims 27th NW200 win in Superstocks
Multiple racers including Michael Dunlop, Peter Hickman and Davey Todd forced to retire before feature race after Dunlop Tyres discover fault in batch of tyres
Race Six: Irwin dominates feature race
Joe Loughlin is going well in second but can't get close enough to Cooper to make a challenge for the lead. Still a fair old way to go, mind you.
Lee Johnston outbreaks the chasing pack going into Metropole to move into third.
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Jeremy McWilliams has shot up into third but as he did in the first race Richard Cooper is starting to pull away.
He's already onto his second lap.
Richard Cooper with the early lead as Pierre Yves Bian, runner-up in race one, makes a bit of a mess of his entrance into York Corner and loses several places.
A protest has been made against Richard Cooper's bike, but the Supertwins race one winner has been told he can start the next race having been initially told he wouldn't be allowed to.
The protest will be reviewed in full upon conclusion of out next race, which is the second Supertwin.
Cooper won the first one this morning.
Liam Beckett
Sportsound summariser
Quote MessageGlenn is in such a rich vein of form - he's been riding very well in the BSB and he seems to have come to terms with that bike. It's great to see the lap record demolished - the riders are relishing being back in road racing and they are just as excited as the crowd.
1. Glenn Irwin (Honda) Six laps
2. Davey Todd (Honda) +0.253
3. Richard Cooper (Suzuki) +11,491
4. Josh Brookes (Ducati) +25.334
5. Alastair Seeley (Yamaha) +34.713
6. Conor Cummins (Honda) +34.956
7. James Hillier (Yamaha) +55.175
8. Michael Rutter (BMW) +56.006
Quote MessageThe first three quarters of the race was real good. I was closing up on the leaders but I lost it with two laps to go - trying to ride round here with no rear break and it's been an issue. The bike is fast enough to beat these guys but I have to find a bit in myself really.
Richard Cooper, Third in opeoning Superbike race
Image source, BBC SportSuperbike result
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Glenn Irwin says he's probably going to sit out of the superstock race in order to concentrate his efforts on the second superbike race this afternoon.
He becomes the first racer to win five straight superbike races at the North West. Anyone for six?
Quote MessageI had a couple of days testing on it and that's it, literally riding round an airfield. I didn't think I'd be quite up there, I knew I'd be strong in other classes. Awesome battle with Glenn, I think I got caught out with experience there but it was a really fun race; hats off to the team.
Davey Todd, Superbike runner-up
Quote MessageIt's what I come here for. That is the hardest I've ever rode any bike round here. Fair play to Davey, when I saw anyone was on me I thought it would be Hickey. What a race, the pace was mental. You can go harder but it's a little bit more dangerous, Metropole was just BSB.
Glenn Irwin, Superbike winner
Andy Gray
BBC Sport NI at the North West 200
That was another cracker - we're being treated today!
That will be a very popular win for Glenn Irwin, and it's five in a row on the Superbikes, but you have to feel for Davey Todd who has made it a hat-trick of second-place finishes.
Oh Davey Todd, two second-placed finishes in back-to-back sensational races. Magnificent racing from him but the win juuuuusst evading him so far.
Glenn Irwin though, how about that.
Glenn Irwin holds on.
Five in a row on the big bikes!
Again. What. A. Race.
Dean Harrison's race appears to be over as well as he plummets down the leaderboard.
As the leading pair come through Ballysally Davey Todd remains right on the back wheel of Glenn Irwin.
Todd picks up a slipstream going into Magherboy and takes the lead!
Irwin comes right back at him though and takes a brilliant inside line through Metropole to nudge back in front, sensational altogether!
The last lap has started and it's Irwin with a 0.6 second lead over Davey Todd.
Josh Brooks meanwhile has made his way up to fourth.
(Live text) commentator's curse.
Hickman pulls off at the exact same spot at University and his momentum is ruined.
The Richard Cooper express seems to have stalled a bit as Irwin and Todd have expanded their gap to the rest of the field.
It's safe to assume Davey Todd is in excellent physical condition but even so, he must be utterly exhausted going in back-to-back thrillers.
Meanwhile Peter Hickman, whose chances of winning the race were dashed at University in the first lap, has just set the fastest lap and is up to sixth.