Marathon running

'Science, desire & heart' - How to run a marathon in 1:59. Video, 00:03:09'Science, desire & heart' - How to run a marathon in 1:59

Kipchoge sure of sub two-hour marathon

Kipchoge: Sub-two hour marathon 'will make history' Video, 00:00:59Kipchoge: Sub-two hour marathon 'will make history'

In pictures: Highlands' monster weekend of running

Runners complete distance despite cancelled race

Marathon called off after 'extreme' flooding

Running a marathon in North Korea. Newsday. Audio, 00:03:08Running a marathon in North Korea

'People shouldn't freak out about heat'

Ultra runner takes on 100 marathons barefoot. Video, 00:01:15Ultra runner takes on 100 marathons barefoot

Illness forces Griffiths out of GB team

'Fatigue and headaches with no explanation' Video, 00:01:09'Fatigue and headaches with no explanation'

Sporting Witness. The Queen of Mont Blanc. Audio, 9 minutesSporting Witness

Free heart screening after runner's death. Video, 00:01:22Free heart screening after runner's death

The golfer running 31 marathons in 31 days. Video, 00:01:37The golfer running 31 marathons in 31 days

'Sub two hours is like stepping on moon'

Varley storms to Manx Marathon win

Meet the people who run 3,100 miles

Marathon runner accused of cheating 'found dead'

Joh Foster is running a half marathon this weekend dressed as a boob in aid of CoppaFeel! Julian Clegg. Audio, 00:05:53Joh Foster is running a half marathon this weekend dressed as a boob in aid of CoppaFeel!

Runner died after collapsing near finish

The Ironman with MS. Video, 00:01:32The Ironman with MS

The 3,100-mile race around a single New York block

Woman does 250th marathon in eight years