From the very first edition in 1981 to the present day
First champions
- Men: Inge Simonsen (NOR) and Dick Beardsley (USA)
- Women: Joyce Smith (GBR)
Reigning champions
- Men: Sabastian Sawe (KEN)
- Women: Tigst Assefa (ETH)
- Wheelchair men: Marcel Hug (SUI)
- Wheelchair women: Catherine Debrunner (SUI)
Most victories
- Men: 4 (Eliud Kipchoge, KEN)
- Women: 4 (Ingrid Kristiansen, NOR)
- Wheelchair men: 8 (David Weir, GBR)
- Wheelchair women: 6 (Tanni Grey-Thompson, GBR)
Most victories by country
- Men: 20 (KEN)
- Women: 15 (KEN)
- Wheelchair men: 16 (GBR)
- Wheelchair women: 15 (GBR)
Course records
- Men: 01:59:30, Sabastian Sawe (KEN), 2026
- Women (mixed): 2:15:25, Paula Radcliffe (GBR), 2003
- Women only: 02:15:41, Tigst Assefa (ETH), 2026
- Wheelchair men: 1:23:44, Marcel Hug (SUI), 2023
- Wheelchair women: 1:34:18, Catherine Debrunner (SUI), 2025
Fastest Britons in London
- Men: Sir Mo Farah, 2:05:39 (2019)
- Women: Paula Radcliffe, 2:15:25 (2003)
- Wheelchair men: David Weir, 1:28:57 (2009)
- Wheelchair women: Eden Rainbow-Cooper 1:44:49 (2025)
Oldest and youngest participants
- Oldest winner (men): Allister Hutton (GBR), 1990 (35 years)
- Oldest winner (women): Joyce Smith (GBR), 1982 (44 years)
- Youngest winner (men): Sammy Wanjiru (KEN), 2009 (22 years)
- Youngest winner (women): Yalemzerf Yehualaw (ETH), 2022 (23 years)
- Oldest finisher (men): Fauja Singh, 2004 (93 years)
- Oldest finisher (women): Jenny Wood-Allen, 2002 (90 years)
- Ever presents: six men have run every London Marathon (45 in total) – Chris Finill, Michael Peace, Jeffrey Aston, Bill O'Connor and David Walker.
Charities
- First official charity: Sports Aid Foundation (1984)
- Total raised for charities by London Marathon participants: more than £1 billion
- Highest amount raised by an official London Marathon charity: £4 million (Dementia Revolution, 2019)
- Highest amount raised by a single participant: £2,330,159.38 by Steve Chalke (2011)
- Amount granted by the London Marathon Foundation (LMF): £98.3 million
- Number of projects aided by LMF: more than 1,500
- Number of playing fields and facilities purchased by LMF: nine
Celebrities and MPs
- Fastest celebrity: Chris Newton (multiple world champion and triple Olympic medallist in road and track cycling), 2:39:27 (2015)
- Fastest MP: Matthew Parris, 2:32:57 (1985)
Weather
- Hottest Marathon Day: 2018 (24.2°C)
- Coldest Marathon Day: 2004 (5.3°C)
- Most humid: 1981 (94 per cent at 12 noon)
- Least humid: 1996 (28 per cent at 12 noon)
- Wettest: 2020 (23mm rain)
- Sunniest: 2009 (12.3 hours of sunshine)