To be fair, if you look at the top 3 from last year - YBS Concert, BBS and SY Police, since then - YBS Concert went on to come 2nd at the Nationals and then come a commendable 5th in the 1st Section this year. BBS whilst only managing a 7th at the Nationals went on to win Pontins, incidentally beating SY Police and Hebden Bridge

that day, this year managing an 8th in the 1st section, justifying their presence in the section. SY Police themselves came 2nd at Pontins (beating Hebden Bridge).
I think that in hindsight, the top 2 bands from last year certainly went on to justify their placings. (Although, I didn't think we played particularly well last year, I didn't even bother going in for the results!)
Congratulations on your victory at the weekend, I'm quite sure you deserved it, best of luck for the nationals.