<Table> <Tr> <Th> <Beijing 2015 </Th> <Th> Doha 2019> </Th> </Tr> </Table> <Tr> <Th> <Beijing 2015 </Th> <Th> Doha 2019> </Th> </Tr> <P> The 2017 IAAF World Championships was the 16th edition of the global athletics competition organised by the International Association of Athletics Federations and was held in London from 4 to 13 August 2017 . London was officially awarded the championships on 11 November 2011 . </P> <P> When the seeking deadline passed on 1 September 2011, two candidate cities (London and Doha) had confirmed their candidatures . Barcelona, which investigated a bid, withdrew citing a lack of support from the local population and financial difficulties . </P>

Where are the world athletic championships being held