Defending champion Wilson Kipsang and world record holder Dennis Kimetto will go head-to-head at Sunday's London Marathon.
Jamaica's six-time Olympic champion Usain Bolt says fellow sprinter Tyson Gay should have been banned for life for doping.
- Disability Sport Weir covets seventh London Marathon win
- Radcliffe 'unfit' for marathon but healthy
- London Marathon on the BBC
- Pavey fears 'unethical' hormone use
- U-turn made on 'Nordic only' prize
- IAAF wants to double Jeptoo drugs ban
- Team GB announce World Relay squads
- Russia will not be banned - IAAF
- Africa Desisa & Rotich take victories in Boston
Athletics Video & Audio
- Watch video Duo set for 'greatest race ever'
- Watch video Radcliffe hopes for marathon 'fun'
- Watch video Weir motivated by defeat
- Watch video Ennis-Hill on Rio 2016 & Johnson-Thompson
- Watch video Kenya dominate World Cross Country
- Watch video Rio countdown begins for GB stars
- Watch video Farah trips over finishing tape
- Watch video Rutherford finds fatherhood relaxing
2015 London Marathon, 26 April
Details of BBC Sport's coverage on TV, Red Button, Connected TVs, radio and online.