. 2012 Dec 1;1:13. doi: 10.1186/2046-7648-1-13
Copyright © 2012 Knoth et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Annual running speed for women and men overall.