Uganda's Halimah Nakaayi pulled off an upset victory in the women's 800m, thus far the biggest surprise of the IAAF World Athletics Championships Doha 2019. Her time of 1:58.04 set a new national record for Uganda, who had never had a World Championships finalist in the women's 800m. #800m #HalimahNakaayi #IAAF #WorldChampionships #WorldAthleticsChampionships See more moments from the 2019 World Athletics Championships in our Doha Moments playlist - youtube.com/playlist?list=PLz-gfY4so9kYzhUfPKFZBtaT90bQmMuYt Subscribe to our channel - youtube.com/user/IAAF2012?sub_confirmation=1 ⭐️ Follow us on Twitter - twitter.com/iaaforg ⭐️ ⭐️ Follow us on Facebook - facebook.com/WorldAthleticsClub ⭐️ ⭐️ Follow us on Instagram - instagram.com/iaaf_athletics ⭐️ Make sure you subscribe for athletics highlights, interviews with the athletes, training tips and more!