As well as the 1,600 runners cramming into the start area, thousands of people have come out to cheer us on our way, sitting high up on walls, dancing on hotel balconies, as a huge sound system gees everyone up.
Its strange spherical structure – created by the Munich-based firm Oikos – is part futuristic-work-of-art, part all-singing, all-dancing hotel, set amid the pine-clad tranquillity of the Graubünden Alps.
But it's also like a Thai dance movement, that's dancing through the hotel.
You'll pass cafes that overflow with the eating, drinking and dancing crowd outside Hotel du Lac (Piazza Mazzini, 32; 39-031-950-320; www.bellagiohoteldulac.com).
Eubank leaps to his feet and is suddenly dancing round the hotel room as if in the ring, jabbing and skipping, squaring off, muttering wildly.
Legend has it that a local cabaret singer named Marlene Dietrich was discovered here, dancing in the hotel bar.
I often compare it to the spring break college student dancing on the hotel roof.
The idea for our last music video, "Holding On," came from Alex from Holy Ghost!
Close-up shots of the arcs of men's necks, a candid portrait of Frank Ocean in the shower and a video of Tillmans himself dancing in a hotel room all speak directly to the photography that he used to shoot for magazines like i-D in the 1990s, when he was living as a young artist in London.
In summer everything comes alive and there are suddenly leaves on trees, boys, hotel guests in mink stoles, boys, grown-ups dancing mambo in the hotels, boys.
"I'm a genius!" he exclaims as he strikes upon the idea of publishing a satire about two fictional hotel heiresses dancing topless.
