Join the club! Use escalators where possible; eat, drink and sleep, and give it another 48 hours and you'll feel a lot better. Your muscle fibres are undergoing therapy after experiencing mild trauma, and you have to let them get on with it.
Even the proof's in orange. TT: I've finished my breakfast and it was epic! However I've not managed to find an internet connection beyond using my phone and I'm not typing a race report on this, even if it's gonna be more Hemingway than Tolstoy. Tomorrow evening I reckon!