Today's runners are bombarded with 'expert' opinion on how to run faster and spend more and more money on doing so. 'Running 5K and 10K: A Training Guide' is an accessible, jargon-free guide for all distance runners committed to improving their times. It doesn't offer any quick and easy answers; just tried-and-tested practical advice on how to train more effectively and shave a few seconds - or even minutes - off your personal best. AUTHOR: David Chalfen has been coaching endurance running for over a decade and has been running for over thirty years. He is a Level 4 Performance UKA Coach and is an Area Endurance Coach Mentor for England Athletics. He has coached numerous distance runners ranging from national level to modest club level, both as a volunteer coach with Serpentine Running Club and via www.runcoach1to1.com. David has also written feature articles about endurance running for Athletics Weekly. 32 colour photographs