[3] In the under-17 Mini Marathon, the 3-mile able-bodied and wheelchair events were won by Ben Dijkstra (14:00), Harriet Knowles-Jones (16:07), Nathan Maguire (11:35) and Kare Adenegan (12:41).

[4] The 2015 men's elite field was dubbed the "clash of the champions" by race organizers due to an unusually large number of top competitors.

Eight men in the field had recorded a sub-2:05 race in their career, the three fastest marathoners ever, and five of the top 10 all-time were among those competing.

[7] Earlier in the year, she was suffering from an Achilles tendon injury which gave her limited training time before the marathon.

[9] Celebrities taking part in the London Marathon included: Formula One driver Jenson Button, former MotoGP and Superbike rider James Toseland and rowing Olympic gold medalist James Cracknell who were raising money for Cancer Research UK and a brain injury charity called Headway respectively,[7][10] the BBC Radio 2 presenter Chris Evans, fashion designer Henry Holland, actor Oliver Proudlock and model Christy Turlington Burns.

[10] Five members of the House of Commons members took part: Alun Cairns, Richard Drax, Graham Evans, Dan Jarvis and Edward Timpson as did Governor of the Bank of England Mark Carney.

After the race passed Tower Bridge, the lead group contained ten runners.

By the 19-mile mark, it was cut to six as defending champion Wilson Kipsang of Kenya pushed the pace.

[5] With four miles to go, the lead group was down to four competitors, all from Kenya: Eliud Kipchoge, Stanley Biwott, Kipsang, and world record holder Dennis Kimetto.

Kipchoge finished in a time of 2 hours, 4 minutes, 42 seconds for his first London Marathon victory.

Tigist Tufa of Ethiopia used a late surge to distance herself from the field, finishing in a time of 2 hours, 23 minutes, 22 seconds.

[7] Britain's David Weir was attempting to win a record seventh London Marathon title in the men's wheelchair race.

After Marcel Hug withdrew from the race midway with a punctured tyre, Weir and American Josh George battled for the lead.