Leading the field: Paula RadcliffeThe Athens Olympic Marathon in 2004 was meant to be Paula Radcliffe's race. Since her marathon debut in London in 2002 the British world record holder had never been defeated over the distance. Certainly the Kenyans

Closing Soon...Helensburgh Half-Marathon, August 3Barr Brady Helensburgh Half-Marathon (Argyll and Bute, August 3) Enjoy the seafront views and lochside scenery of this stunning out-and-back road race.Sturminster Half-Marathon (Dorset, August 3

to tweaking your training, to eating race-friendly foods. If you're a Runner's World UK magazine subscriber, you can see all 9 PB-busting tips here. Otherwise, enjoy these two as a preview - and if you want to subscribe, you can save 30% right here.Strong Legs