New Personal Best - Now how do I get through run?

Congrats on the swim! Just take your time with the race and don't go too hard. Its your first race, just savour the experience and set a time that you can hopefully smash next year! If you have to walk some of the run don't worry, you won't be alone.

As for the transition - I am still working things out there as I have only done 3 races so far. The only advice I have is go easy on the last part of the bike so you aren't totally wiped out for the run. Are you changing shoes for the run? If so having some elastic laces for your running shoes will help speed the changing process as you have nothing to tie, just slip on. You can get them from most tri or running stores for about $5-7 and they fit any shoe.

Congrats on the swim progress!

I think the run is VERY mental.  Yes, you're more fatigued than in a standalone run, but the weirdness of the legs, etc, is something you have to work on ignoring. It will be hard, so no need to focus further on that.

I find that I run much faster, initially, off the bike.  It's part momentum, part race excitement.   Focus at first on starting off easy so you don't go through the roof with your heart rate.   If you can keep composed, you will settle in eventually and then it's just time to get through it. 

You will also have to pace yourself a bit on the bike.  Unlike on a training ride, you can't go all out.  I tend do that and then suffer on the run more because of it.   Hold back a tidge and save some energy. 

Yes, I have laces already, and I have been training in new pair of Newtons, with shorter stride as to not beat me up so much.

I was thinking it might be a good idea to lighten up and stretch a little on the last mile, my right calf has tendancy to want to knot up on my.