Runners pass the Sieges Saeule (Victory Column) at the start the 38th Berlin Marathon September 25, 2011. World marathon record holders Haile Gebrselassie and Paula Radcliffe fight age and increasing susceptibility to injury as well as the clock and a host of younger opponents in Sunday's Berlin marathon. REUTERS/Fabrizio Bensch (GERMANY - Tags: SPORT ATHLETICS) BEST QUALITY AVAILABLE