New road for track king: Farah aims for Olympic marathon gold ??

One of the world's most well-known athletes will start a new chapter in his career on Friday. Mohamed (formerly "Mo") Farah is in Qatar to run the Doha half-marathon - a first step towards his new goal of Olympic marathon gold. Al Jazeera's Sohail Malik reports from Doha. - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: http://www.aljazeera.com/