Paula Radcliffe: "Mary Keitany's pacemaker is indicating to her that she needs to slow down in the early stages. Keitany likes to attack whereas Tirunesh Dibaba likes to sit back a bit more." Live 💻 https://t.co/2xqdN93yRe 📺 BBC One #LondonMarathon #GetInspired https://t.co/ZI8MNnTdkw