Wayde van Niekerk set a world-record in the 400m. Meet his 74-year-old coach | Rio Olympics 2016
Wayde van Niekerk obliterated Michael Johnson’s 400m world record with the help of a 74-year-old great grand mother.
Check out our full video catalog: http://goo.gl/9pMHRV
Visit our playlists: http://goo.gl/NvpZFF
Like SB Nation on Facebook: http://goo.gl/Pzcs7O
Follow on Twitter: http://goo.gl/5LI02D
Follow on Instagram: http://goo.gl/aY2FFK
Explore SB Nation: http://www.sbnation.com