Hardloop
Hardloop is die vinnigste manier van voortbeweging vir diere met bene, insluitende mense.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/64/Brussels_marathon_2007.jpg/200px-Brussels_marathon_2007.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Muybridge_runner.jpg/200px-Muybridge_runner.jpg)
Lees ook
wysigWedlope
wysigBronnelys
wysig- Nilson, Finn; Lundkvist, Erik; Wagnsson, Stefan; Gustafsson, Henrik (19 Desember 2019). "Has the second 'running boom' democratized running? A study on the sociodemographic characteristics of finishers at the world's largest half marathon". Sport in Society. 24 (4): 659–669. doi:10.1080/17430437.2019.1703687. ISSN 1743-0437.