By Steve Keating RICHMOND, Virginia (Reuters) - Lizzie Armitstead of Britain won a drag race to the finish with Anna van der Breggen to claim a breath-taking victory at the road cycling world championships on Saturday. The pre-race favorite, Armitstead spent much of the 129.8km race back in the pack but, with just a kilometer left, powered to the front and then timed her move perfectly as she added the rainbow jersey to her overall World Cup title. The 26-year-old becomes the fourth British woman to be crowned road world champion, joining Nicole Cooke, Mandy Jones and Beryl Burton. More...