Lorenzo, your maths are good. I too am frightened by that volume of carbs (I'm about your weight) so will be very interested in how it goes. (Traditionally, I've gone for around 450g on the day before, so this is a real leap.)
Just in from 1 slow mile -- 1/2 mile @5:25 -- 1 slow mile... Invigorating!
Good luck and skill to racers this weekend. Mine's the Humboldt Redwoods mara, and it feels like it'll be a bit odd, as I don't have a goal. Injury recovery cancelled my original idea of a 3:04 target. Plan B was to jog around with my brother-in-law at 10:20, but advice and intuition tells me that was a bad idea. So, I'll aim for something like a 3:45 finish and try to enjoy the scenery.
On the positive side, I'm about to experiment with the carb loading plan that includes short intense activity the morning before and 10-12g carbs per kilo of body weight. Will report back on how that feels.
Condolences to toe/teapot/etc injuries. I'm sending healing vibes, which are mostly useful because they're offset by 8 time zones. Congrats to recent racers.
Off the bench from my hip flexor niggle, and I have a marathon next weekend. Longest run in the last couple of months was 12m. I don't even dare look at weekly mileage, as it'll be really low. Yikes!
I had (obviously) abandoned my notions of racing (3:04 was the target), so plan B was supposed to be cruising around with my brother-in-law at around a 10:20 pace. Only problem is that I tried a little bit of 10:20 today and it seemed so unnatural that I'm starting to worry that I'll injure myself trying that for 26.
My (ineptly remembered, probably) recollection is that Noakes doesn't like it because it's an inconsistent test.
So probably a good snapshot and maybe something to influence training paces.
Alternately, would a serious gait analysis be interesting? In the US, there's an assessment program called 'runsafe'; I don't know if that's made it over to your side of the pond. (I'm doing it in October and will report back... it gets mixed reviews, so I'm cautiously optimistic.)
Marrows, apparently the Garmin FR10 is extremely waterproof, though much simpler than the rest.
I'm sending good thoughts out to those with cranky hips... I've had to downgrade my fall marathon from a race to a gentle wander around (about 2m/m slower) with my brother-in-law because my hip flexor has taken a huge bite out of the current training schedule.
As for the rest of you healthy people -- I'm happy for you and jealous at the same time. Vicarious mileage isn't quite as good as real miles, but it's a start.