weight and sex into the calculation. Some monitors also estimate a percentage of fat calories burnt. Five First Steps Roughly estimate your maximum heart rate (MHR) by subtracting your age from 220 (or a little more accurately, 214-(0.8 x age) for men
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 Limited. | © Runner's World 2002-2013 |