Tricky - assuming you don't really measure your weight in kilometres the formula uses your weight in pounds. I think you'll need to knock a few bpm off.
I think everyone has a raised heart rate on the start line but I've never thought about it being lack of sleep.
Tricky always says that 2 nights before a marathon is the night when you need your sleep and I don't think anyone every sleeps well the night before.
any chance you've got a bug or something?
BTW - that's a cracking time, so slowing yourself down was obviously the right thing to do.
Actually got in last year via the lottery and deferred to this year - the 40th!!
Got a couple of pals with places too.
Ive been to DC before so I'm familiar with a lot of the places on the route but I still think this will be a race to remember.
Andy W - at the moment I'm in for Liverpool but as I haven't really run this year due to injury, it's looking a bit iffy. I did it last year and really enjoyed it. Let's see if I get running and, if so, we can have a pre race photo call.
Just in case anyone hasn't seen their video clips from the marathon
copy this link into your browser, add your bib number to the end of it and press enter, watch the Asics video and then pick yourself out from the crowd.
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