Trail Week and Alpine Marathon Events, Davos, July 23 - August 1If ever there was a tour for superlatives, this is it. Magnificent scenery, fantastic trail running, superb walking, excellent races - Davos has the lot - a truly superb holiday for runners

ADIDAS SWOOP £59.99One of Adidas’s very best off-road shoes, the three-year-old Equipment Davos (see below), gets a new name and a slightly more reinforced upper. At a swift 307g, it’s built a good reputation as a more comfortable – and only

Davos which it replaces. It’s certainly light enough to appeal to even the sternest traditionalists, and its wafer-thin midsole means that it’s sure-footed and highly responsive. The fit is promising, too – the three broad Adidas stripes loop

, flexible and sure-footed: even though its weight doesn’t hint at its speed, the 904’s profile makes it one of the top three off-road performers in the non-fell-running market.Try it if you liked Adidas Equipment Davos (£60, discontinued); Nike Air Terra

have the edge over Walsh’s, some of their qualities – including price – are better.Try it on if you liked Walsh range (£55-£62); Adidas Equipment Davos (£60); New Balance RX Terrain (£55)

under an assumed name.It’s a mental thing. When Saturday arrives, in four days’ time, I’m supposed to run the Crazy Peak Experience – a 78K monster that climbs from the pretty Alpine resort of Davos, straight off the chocolate box into an awe