Where do i start ?
so basically it says
softer surfaces (grass, mud etc) = slower but less risk of injury
track and road = quicker and medium risk of injury
pavement and = slower and high risk of injury
Visit the official Runner's World page
Follow Runner's World on Twitter
Other Natmag-Rodale Sites
Run For Charity
About Runner's World
Runner's World is a publication of Hearst Magazines UK which is the trading name of The National Magazine Company Ltd, 72 Broadwick Street, London, W1F 9EP. Registered in England 112955. All rights reserved.
Website powered by: Immediate Media Company Ltd. | © Runner's World 2002-2014 |