But Michael Evans, the fastest rider in qualifying, is almost 10s clear of Harrison at Glen Helen. Jamie Coward is third having been a non-starter in the Historic Senior.
At Glen Helen, Dean Harrison leads from Yeardsley and McGuinness.
The top 10 seeded runners are on the course now.
John McGuinness is on the course on his Honda CB350 K4 to begin the Historic Junior race.
Given the recent showers, John McGuinness - who wasn't super confident about his 350 earlier - may well benefit from his experience, just like he did on lap one of that Senior.
Qualifying week went the way of Michael Evans in this class, but a one-race really does reset the playing field a bit.
10 minutes to go till race start.
Here are the top 20 starters for this Historic Junior race:
- John McGuinness - Honda CB350 K4
- Joe Yeardsley - Honda CB350 K4
- Dean Harrison - Honda CB350 K4
- Jamie Coward - Honda CB350 K4
- Michael Evans - Honda CB350 K4
- Adam McLean - Honda CB350 K4
- Davey Todd - Honda CB350 K4
- Dan Sayle - Honda CB350 K4
- Paul Jordan - Honda CB350 K4
- Harley Rushton - Honda CB350 K4
- Michael Sweeney - Honda CB350 K4
- Alan Oversby - Honda CB350 K4
- Shaun Anderson - DKW 250
- Will Loder - Greeves Oulton
- Baz Furber - Ducati Sebring
- Maurizio Bottalico - Honda CB350
- Michael Russell - Honda CB350 K4
- Paul Cassidy - Honda CB350 K4
- Jeffrey Vermeulen - Ducati Mk3
- Maria Costello - Honda CB350 K4
This race has been shortened to a lap, which is not ideal, but better than nothing. Going to leave no room for margin for the riders, so should be exciting.
The bikes are being warmed up for the Historic Junior race.
25 minutes till that is due to go. Looks like the weather is clearing, so hopefully no more delays now.
John McGuinness was well on his way to a fourth win on the Paton 500 on the Isle of Man, but a puncture robbed him of that shot.
Read what he had to say below:
https://www.crash.net/rr/news/1080301/1/puncture-robs-john-mcguinness-classic-tt-win-i-didnt-deserve
Big changes to the schedule now confirmed.
A classic Sidecar parade will go at 1:25pm now.
The Historic Junior race has been moved to 2pm over one lap.
The Senior Classic is now going at 2:45pm and has been reduced to two laps.
Here are the full results from the Historic Senior race:
https://www.crash.net/rr/news/1080298/1/2025-classic-tt-friday-race-results
An update on the weather will be coming shortly. There are showers around the course.
Shaun Anderson says his machine wasn't pulling very well on that first lap, which led to his retirement.
Reports of rain at Glen Helen. Sounds like we'll be in for a delay.
Next race is due at 1:20pm.
Browne admits he thought his pitboard at the Gooseneck read P1 plus 10! So, he rolled off. Lucky escape there!
Adam McLean says he didn't realise how close that race was towards the end. Suggests he maybe had a little bit more in him to snatch that away from Mike Browne.
That's racing, though.
Dean Harrison says he got a misfire at the start of the race on his Matchless. Also had a leak on the right-hand side of his bike.
Not a bad effort to get that to the podium!
Chequered flag is out.
Mike Browne wins the Historic Classic Senior race by just 0.268s from Adam McLean! What a race.
Dean Harrison has completed the podium in third.
Browne's lead is only 0.316s at Cronk ny Mona!
Browne still leads at the Bungalow, but McLean is just 0.868s. This is going right to the wire!
Browne has taken the lead on his Norton at Ramsey by 3.335s from McLean. That was a stunning sector. Fastest sector of the race so far from Ballaugh to Ramsey.
All of the attrition has helped Dean Harrison into a podium at present. He's third at Ballaugh, about 26s off the lead.
We're at Ballaugh now on lap two and Browne has closed in again. McLean's lead is only 2.4s. This is setting up nicely!