According to Eurostar if you go London to Geneva there “one simple transfer in Lile”.
They also state that they’re super busy with bikes in July (because of the Tour) so you can pre-book a bike slot at no extra cost to avoid waiting for it.
My biggest issue so far is that you have to go from St. Pancras (obviously the planners were told that London is the centre of the universe and obviously – like flying, we must all fight our way into the South East to leave again).
That means either a 3.5 hour drive into London and associated parking nightmares from Cardiff, or a 3 hour train ride – I can’t help but think in a virtual Topgear race – leaving Cardiff I could be in Bristol Airport in an hour, arrive an hour before take off and just as we’d be arriving in London on the train, we’d be landing in Geneva on Easyjet – I think we’ll fly.
Shame, it sounded like a cool way to go.