own plan on the calendar which will then synchronise with the watch on connection. These plans can be as in-depth or vague as you like (for example, run at 10mm pace for one mile, then 10 intervals of 400m at 8mm pace followed by two minutes at 12mm

and more than 20 per cent lighter, so it’s a lot more practical to wear as a watch than the 305 (not to mention a pleasure to show off). The improvements aren’t restricted to looks, though. The 405 is a great deal more user-friendly than its predecessor. It

is extremely light. Just like the Boston, our weartesters loved the Rotterdam, and praised its ride and flexibility. And despite it being a trainer, many felt they could race in it. In short If you’re fast and efficient, you’ll love this shoe. For most runners

, and it still offers enough cushioning and durability to make it a good choice for the big runners, particularly as it’s also built on a wider last.In short It’s lost some weight, but don’t worry if you haven’t, as the Calibrate is still one of the best big-runner

off-road runners, and it doubles as an infrequent road shoe. It’s also great value. But if it’s a fast and responsive serious trail shoe you’re after, the Alta isn’t it.Try it on if you liked Mizuno Wildwood (£50); Asics Gel Guts (£45)

mild overpronators. But with its fine level of cushioning – the rearfoot feels positively plush – it works well as a shoe for swift, efficient runners racing up to the half-marathon.

materials. The mesh is now lighter and more breathable and the toebox feels roomier. Weartesters still loved the Mercury's smooth ride, but the roomier toebox received mixed reviews. Runners with wide feet loved it, while narrow-footed tested weren't so keen

Weight 228gEvaluation The Competition completes Reebok’s impressive Premier line, launched at the start of 2003. It’s a simple, no-frills racer – light, flexible and responsive. There’s a decent amount of cushioning in the rearfoot, although

Weight 361gEvaluation You’re spoilt for choice if you’re after a decent trail shoe with an Asics label attached. There’s the good value Gel Guts, the top-of-the-range Eagle Trail 2 and the latest addition to the range, the Mesa Trail. The Mesa Trail

. The Aello is no marathon shoe, but is great for anything up to 10K.