not surprised about). Many online predictors calculate marathon time as 10K time multiplied by approx. 4.7 (sometimes less). However I suspect that such ratios are based on times for elite runners, and/or runners who were achieving high weekly mileages. I once
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 |