As hundreds of runners are currently embarking on this year's Virgin Money London Marathon here are some facts and figures.

7 - Victories by Great Britain's David Weir in the men's wheelchair marathon, the most ever

7.6 - Degrees Celsius of the coolest marathon ever, in 1994

10 - Victories by Kenyan female runners, making it the most successful country in the women's elite race

11 - Men to have run every London Marathon

13 - Victories by Kenyan male runners, making it the most successful country in the men's elite race

23 - Degrees Celsius of Sunday's predicted highest temperature, which would make 2018 the hottest-ever race

39 - First aid stations dotted along the course

45 - Percentage of applicants who were female, a record

83 - Age of oldest woman running 2018 event

87 - Age of oldest man running 2018 event

90 - Age of oldest female finisher ever

93 - Age of oldest male finisher ever

98 - Number of people attempting Guinness World Records

196 - Countries where the race will be broadcast

£39,273 - Prize money for winners of the men's and women's elite races

39,487 - Most finishers, in 2017

650,000 - Recyclable plastic bottles provided

750,000 - Expected spectators lining capital's streets

£2.3 million - Highest amount ever raised by a single runner, in 2011

£890 million - Amount raised by runners for charity since the first London marathon in 1981