, the shoe favoured by former marathon world record holder Khallid Khannouchi, and that should give you an idea of the kind of runner who'll get the most out of them – the fast and efficient kind. That doesn't necessarily mean elite, though. The 250 uses New

use the word ‘cushioning’ guardedly), but the Japanese-targeted design is so narrow that many Western runners will feel as though they’re running on half a shoe. For the record, there’s a 4mm Zoom Air unit in the rearfoot, and wet-traction rubber

hard forefoot and narrow fit. The Miler, developed with the mile world record holder, Hicham El Guerrouj, replaces both, and is a more successful attempt at a lighter, caged Zoom shoe.Like the Spiridon, there’s a big Zoom Air unit in the rearfoot which