Maclauchlan 5 up (30)
5 up, six to play.
Matter of time now.
Maclauchlan wins 6&5
Noah Maclauchlan, the 2,047th best ranked amateur, wins the 78th U.S. Junior Amateur Championship at Saucon Valley.
Maclauchlan sealed the deal with a birdie on the 31st, his 13th birdie of the day.
He wraps up a convincing 6&5 victory over Miles Russell.
Maclauchlan 5 up (30)
5 up, six to play.
Matter of time now.
Maclauchlan 5 up (29)
Let's try and build some drama.
Russell claws one back on the 29th with a par.
Maclauchlan is 5 up with seven holes to play.
Maclauchlan 6 up (28)
What an incredible performance this has been from 18-year-old Maclauchlan.
He's just rolled in his eighth birdie in the last 12 holes to surge into a 6 up lead with eight holes to play.
It's a matter of time now until he becomes 2026 U.S. Junior Amateur champion.
Russell hasn't played badly by any stretch, he's just been up against a world class performance from his compatriot today.
Maclauchlan 5 up (26)
Two tied holes in a row on the 25th (pars) and 26th (birdies) see McMaclauchlan remain 5 up.
Russell needs a miracle to turn this one around.
Remember, Maclauchlan is the 2,047th best ranked amateur in the world, and Russell is seventh.
Incredible.
Maclauchlan 5 up (24)
Pars at the 25th.
Maclauchlan remains in command.
Maclauchlan 5 up (24)
They think it's all over...
Maclauchlan makes his fourth birdie in six holes to surge into a 5 up lead.
Maclauchlan 4up (23)
It's another birdie for Maclauchlan, who surges into a commanding 4up lead thru 23 holes.
Russell looks down and out here.
Maclauchlan 3up (22)
Maclauchlan is closing in here.
He's just birdied the 21st to move 3up.
They've just tied the 22nd.
Maclauchlan 2up (20)
Pars all round at the tough par-4 2nd and Maclauchlan remains 2 up.
Maclauchlan 2up (19)
We're back underway and Maclauchlan rolls in a birdie at the par-5 1st to move 2up.
Maclauchlan 1up (18)
It's birdies for both players on the short par-4 18th.
Maclauchlan heads into the final 18 holes with a narrow 1up lead.
Time for lunch. Back soon.

Maclauchlan 1up (17)
The rollercoaster continues!
Maclauchlan has just made a birdie on the par-4 17th to nose ahead once more.
Tied (16)
Where did this come from?!
Russell makes a disastrous double-bogey six on the 16th, and it hands Maclauchlan the hole.
We're tied up again.
Russell 1 up (15)
What a difference an hour makes as Russell goes from 3 down to 1 up in the space of five holes.
Russell rolls in his third birdie of the round to move into the lead for the first time all day.
Tied (14)
Maclauchlan steadies the ship with a par on the par-3 14th.
The match remains tied.
Tied (13)
Russell has just won three holes on the spin to pull the match back to a Tie.
Maclauchlan has just gone bogey-double-bogey to let Russell back in.
We're tied up heading down the 14th.
But remember this is a 36-hole final, so there is a long way to go here.
Russell looks to have momentum now.
Maclauchlan 1 up (12)
Russell is now just 1 down after Maclauchlan makes a hash of the par-4 12th with a double-bogey six.
That's two holes on the spin for the pre-tournament favourite.
Game on.
Maclauchlan 2 up (11)
Russell wins his first hole of the day with a par at the par-3 11th.
The deficit is down to 2.
Maclauchlan 3 up (9)
It's pars at 7, 8 and 9 for Maclauchlan and Russell.
Maclauchlan takes a commanding 3 up lead into the back nine.
Still 27 holes to go though.
Maclauchlan 3 up (6)
Some start from Maclauchlan.
He's just sent home a fourth birdie in six holes to move into a commanding 3 up lead.
An extremely long way to go, but this is looking like an uphill battle already for the pre-final favourite Russell.
Russell has not played badly by any stretch, he's 1-under for six holes.
But Maclauchlan has caught fire.
Maclauchlan 2 up (4)
This is some start from Maclauchlan, who was very much considered the underdog in today's final.
He's just drained a third birdie in the first four holes to move into 2 up lead.
Work for Russell already here, but of course a long way to go as this is a 36-hole final.
Maclauchlan 1 up (3)
It's pars for both players on the 375-yard par-4 3rd as Maclauchlan remains with the lead.