Having dominated their races at the National Cross Country Championships last month, Chris Derrick and Laura Thweatt are among the USA s best hopes at the IAAF World Cross Country Championships, Guiyang 2015 on 28 March.

Four of Ethiopia s medallists from the last edition of the championships will compete at this month s IAAF World Cross Country Championships, Guiyang 2015 on 28 March.

Abbott World Marathon Majors (AWMM) is working in partnership with the IAAF to finance increased out-of-competition drug testing for elite athletes participating in AWMM events.

For the first time in nearly 30 years, and only the second time in history, the IAAF World Indoor Championships will be held in the United States.

The event that birthed Jamaican stars such as Usain Bolt, Shelly-Ann Fraser-Pryce and Yohan Blake, to name just a few, goes global this year with its pay-per-view stream.

Starting to train as a pole vaulter at the age of 12, Li Ling needed another 12 years to become the best female vaulter in China and, indeed, Asia.