On Sunday 28th April, thousands of people will pound the streets of London and run the 26.2mile course of the world-renowned London Marathon.
Here, we profile a selection of Millwall fans running from Blackheath to Buckingham Palace...
1 - Dan Benson is running in aid of the Mental Health Foundation and in memory of Tommy Crush. For more information and to donate, visit uk.virginmoneygiving.com/DanBenson4TC.
2 - Running in aid of Tusk, a charity who help fund wildlife conservation and community development in Africa, is David Elson. For more, visit uk.virginmoneygiving.com/davidelson93.
3 - Paulie Provins will be taking to the streets for the MS Society. Read and donate by visiting justgiving.com/fundraising/pauliep.
4 - Emma Henderson was set to run next week, but has unfortunately had to pull out through injury. She is planning to run in 2020, however, and asks Lions fans to donate towards her two causes, Spinal Injuries Association and The National Ankylosing Spondylitis Society (NASS). Visit uk.virginmoneygiving.com/emmahenderson2020.
5 - 19-year-old Harry Mullen is running for the Bradley Lowery Foundation. Find out more by visiting justgiving.com/fundraising/harry-mullen.
6 - Nicola Powell will be a part of Super Lou's Ladies in the 2019 London Marathon in memory of a friend who sadly passed away due to a brain tumour. uk.virginmoneygiving.com/Team/SuperLousLadies.
7 - Lions fan Frankie Mines is running in aid of Demelza children's hospice, and you can read more on his story and donate at uk.virginmoneygiving.com/AxisEurope.
8 - Carly Rawlinson-Simmons and her husband will be pounding the streets of London for Dockland Settlements, a small, local charity based in Rotherhithe who are an organisation that provide sporting, social, recreational and educational activities for the local community. justgiving.com/fundraising/carly-rawlinsonsimmons.
9 - Sam Hellens is running for Children's Trust Charity, which helps young children with brain injuries. Find out more at uk.virginmoneygiving.com/sam-hellens.
10 - Glenn Allen will be running his first-ever London Marathon in aid of St. John's Ambulance and is looking to raise £1,900. Donate at justgiving.com/fundraising/glennrallen.
11 - Millwall supporter Lily Clark is running in aid of Francis Hospice, an Essex-based independent charity and one of the largest adult hospices in the UK. She has chosen this charity as Lily and her family have witnessed their amazing work and support first-hand during her Grandad’s time spent there. Visit uk.virginmoneygiving.com/LilyClark21 for more.
12 - Ken Slatter isn't running the Marathon, but instead is raising money for Wheelpower by riding in the 100-mile London Cycle Ride. See justgiving.com/fundraising/ken-slatter2 for more.
13 - Jason Church is running the 26.2mile course for a number of charities, including The Firefighters Charity, The Royal Marines Charity and also 'For Jimmy'. uk.virginmoneygiving.com/JasonChurch.
14 - 25-year-old Molly Galligan is running in aid of CLIC Sergeant. Her fundraising page can be found at uk.virginmoneygiving.com/MollyGalligan.
15 - At the age of 60, Lions fan Kevin Downey will be running his 30th and final Marathon this year, this time in aid of young Millwall supporter Harvey Brown. In total, Kevin has raised over £120,000 for children's charities. justgiving.com/fundraising/kevin-downey60th.
16 - Paul Slatter is running his first London Marathon at the age of 55 in aid of the British Heart Foundation. Search 'Paul Slatter' on JustGiving for his page, which has already raised £2,400.
17 - Lauren Harrison is running the London marathon to raise money for cardiac risk in the young, in memory of her stepbrother, Ally, who died suddenly at 18. uk.virginmoneygiving.com/LaurenHarrison2.
18 - Carly Eagles, owner of Junior Lions partner Sports4Tots, will be running the London Marathon this year for the charity Children with Cancer UK. Visit uk.virginmoneygiving.com/CarlyEagles to donate.
19 - Gareth Blanchard is running for MSUK and is hoping to raise £2,000 before the big day - visit justgiving.com/fundraising/gareth-blanchard1 to help him out.
20 - Also running in aid of St. John's Ambulance is Bradley Skinner. Find out more at justgiving.com/fundraising/bradley-skinner1.
21 - Running for Children Against Cancer is James Edwards - and you can read his story at uk.virginmoneygiving.com/edwardsagainstcancer.
22 - Charlie Mac will be running his first-ever London Marathon to raise money for Pancreatic Cancer UK. Find out more by visiting uk.virginmoneygiving.com/CharlieMac1.
23 - Official fundraiser for the Prostate Cancer UK, Eddie Bailey, is running and kindly asking for your donations. You can do so by visiting justgiving.com/fundraising/eddie-bailey2.
24 - Catherine Holder unfortunately did not receive a ballot for this year's event, but is still raising money for Duchenne Muscular Dystrophy by doing the Broadgate Tower Run Up in July with her nine-year-old son. justgiving.com/fundraising/dextersdash.
25 - Running in aid of GreatOrmondStreetHospital is Benjamin Dickinson. uk.virginmoneygiving.com/benjamin-dickinson.
26 - Josh Burgess is running the London Marathon for ABF, The Soldiers Charity. Josh was previously in the Army and The Royal Engineers, so this is a charity close to his heart. justgiving.com/fundraising/Joshua-Burgess2.
27 - You can donate to Jade Murray's Marathon cause by visiting uk.virginmoneygiving.com/SomeoneSpecial/LeeArrowsmith2.
28 - Alice Norton is running for the Brain and Spine Foundation, with the aim to raise £1,800. Help her out by visiting uk.virginmoneygiving.com/AliceNorton2.
29 - Natalie Moore and her lovely friend Helene are also running this year's London Marathon for the Brain and Spine Foundation, in memory of Danny Nelson. Donate to their cause by visiting uk.virginmoneygiving.com/Team/NatalieandHelene.
30 - Natalie Skipsey will be running in aid of the Meningitis Research Foundation, to support their efforts in helping children and young people with Meningitis and Septicaemia. Help Natalie out by visiting uk.virginmoneygiving.com/NatalieSkipsey1.
31 - Natalie's brother, Gary, is also undertaking the course in aid of Mind. Visit and donate at uk.virginmoneygiving.com/GarySkipsey.
32 - Ruby Brown will be running the London Marathon for Anna Freud Children with Mental Health. Visit her page and donate at sponsorme.co.uk/georgecarter/london-marathon-2019.aspx.
33 - Running the London Marathon for the first (and very probably last!) time are husband and wife duo Steve and Victoria Gregory. They are raising money for GreatOrmondStreetHospital, and you can donate by visiting justgiving.com/fundraising/gregorylondonmarathon2019.
34 - Chris Beattie is running for World Cancer Research Fund - check out his page at justgiving.com/fundraising/Chris-Beattie-WCRF.
35 - Running in aid of Great Ormond Street is Lions fan Glenn Clarke. Visit and donate at uk.virginmoneygiving.com/GlennStuKingpin.
36 - Also running for WCRF is Jonathan Blondel. Visit his page at justgiving.com/fundraising/jonathan-blondel.
37 - Running the 2019 London Marathon in aid of Cancer Research UK is Paul Jeffery. Read his story and donate at fundraise.cancerresearchuk.org/page/pauls-london-marathon-6.
38 - Harry Living is running in aid of Children With Cancer UK - uk.virginmoneygiving.com/harry-living-SAVMLMBONDS3332019-153874.