Farah and Tom Farrell run in 5k final at 12.30pmWomen’s 800m final takes place at 12.15pm4 x 100m relay finals also due to be run in BeijingEmail nick.ames@theguardian.com or tweet @NickAmes82 12.40pm BST Now Farah stretches this out and, with four laps to go, starts extending a lead. 12.39pm BST The first 3,000m have been run in 8:47.29 by the leader Merga.