Good session this morning; 11.5 miles up to Sidcup, then Sidcup 10 mile on tired legs, managed to go under 60 minutes and it was hard work, but I did what I set out to do when I woke up this morning, very good session that was.
Actually sod "natural progression" starting on that "Championship Start" is worth a good 2 minutes on your time IMO as opposed to that awful "Red Start" lol when you are running uphill to that main road just before the roundabout in Woolwich, the people on the Blue Start are already running downhill.
I didn't know they let people upgrade, but definitely worth making that call, its worth 2 minutes IMO!
LS - when I had my big breakthrough year 2012 running 2 sub 75 HM's in the build up I ran 2:42 in London.
Last year, probably overtrained & trained like a muppet, no structure to my schedule & seemed to be always trying to do the "quality" sessions on tired legs, I ran 75 something or other at Tunbridge Wells then 2:40:00 in London.
Looking back I believe this was down to nothing more than natural progression, I certainly didn't train well during last years campaign & I knew it at the time but didn't rectify it.
Another criticism I would make of myself in retrospect is that whenever I ran fast in training at a Half Marathon or Parkrun during the build up, I tended to back off a bit almost as if I was intimidated ( probably the wrong word ) by it, maybe I was doing the right thing to back off a little bit, I don't know.
But anyway, the point I am making is that everyone is different; some will back off like me, others will take up the baton & try and push it harder / faster.
I personally would err on the side of caution, the most important thing is to nail the sub 2:45 which is well within your grasp
In my experiences, running sub 75 Half Marathon is harder than the sub 2:45 Marathon.
Intensity wise its on a whole different level physically & you have to be bloody minded mentally to keep the effort / intensity going to the finish line, any let up & you will see that sub 75 slip away, the Marathon is a different game altogether.
Of all the running I've done over the last ten years or so, I would say that my two sub 75 HM's over tough courses in 2012 were / are my best running performances.
If you can run sub 70 for a HM, then for me, that actually indicates real running ability / "talent" but for us mere mortals, sub 75 is something to be proud of.
Hopefully still got more to come in the Marathon, but if I never run a sub 75 HM again, then at least I can genuinely feel that I have done myself justice over that distance at least.