For 85-year-old marathon runner Bui Luong, age is just a number.<br /><br />The nine-time gold medalist now sets his records by influencing other runners on a daily basis.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
