Women's 400m Hurdles Semi-Finals | World Athletics Championships London 2017

Subscribe to our channel -    / worldathletics   ⭐️ Follow us on Twitter -   / worldathletics   ⭐️ ⭐️ Follow us on Facebook -   / worldathletics   ⭐️ ⭐️ Follow us on Instagram -   / worldathletics   ⭐️ Make sure you subscribe for athletics highlights, interviews with the athletes, training tips and more!