- Marcio Villar do Amaral
- 827.16 kilometre(s)
- Brazil (Rio de Janeiro)
- The greatest distance run on a treadmill in one week is 827.16 km (513.97 miles) and was achieved by Marcio Villar (Brazil) at the Américas Shopping in Rio de Janeiro, Brazil, from 28 June to 4 July 2015.
Marcio is a dedicated ultramarathon runner and motivational speaker. He began running in his thirties as a way to lose weight and quickly became passionate about ultramarathons.