Very much his first day at school...there was a big crowd at the track (Windsor on a Monday evening is something of a tradition in the UK, especially the day before Royal Ascot, which starts tomorrow) which, of course, he has not experienced before...he ran really well early on & then in the last furlong ran out of steam but that is pretty normal for a first run. IMO he will come on for that but he is only 2 (years-old) so there's a lot of scope.
He will come on tons for the experience, clearly has speed and so race 3/4 (IMO) will see him as a more mature runner.