Thousands of people will run the 46-mile route over several days as part of the London Marathon.
However, the 40,000 participants will include some famous faces in addition to ordinary people.
Reality TV stars, radio DJs, musicians, former soccer players, actors, Olympians and even racing drivers will compete.
If you're going to cheer or participate, you might want to take a look at the list to see who you might meet on your big day.
A full list of celebrities can be found on the London Marathon website.
Celebrities running the 2024 London Marathon
Harry Judd – drummer for the popular band McFly, winner of Strictly Come Dancing in 2011 and also ran the marathon last year. He stands for the Children's Trust.
Christopher Eccleston – Actor best known for his role as Doctor Who, as well as starring roles in Thor: The Dark World and The Leftovers. He is running for The Big Issue.
Darren Turner – British racing driver Darren Turner is running for charity Hope for Tomorrow.
Joel Dommett – The TV presenter best known for hosting ITV's The Masked Singer is set to stand for Shooting Star Children's Hospice.
Ruth Wilson – Award-winning actress known for her roles in The Affair, Luther, Mrs. Wilson, and Jane Eyre. She is a candidate for Alzheimer's Research UK.
Tom Grennan – Singer whose popular songs include “Little Bit of Love,” “Lionheart,” and “Let's Go Home Together.” Running towards the evacuation center.
Phil Dunster – Apple TV Actor best known for his role as Jamie Tartt on Ted Lasso. I am running for young lives and the fight against cancer.
Emma Barton – Actor who plays Honey Mitchell in the BBC soap EastEnders.
Laura Hamilton – Television presenter best known for hosting A Place in the Sun and running for Well Child.
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Romesh Ranganathan – Comedian and actor who stars in A League of Their Own, Avoidance, and The Weakest Link. Running for CALM.
Shane Williams – Former rugby union player best known for his long spell as a winger for the Ospreys. Running for Velindor Cancer.
Natalie Pinkham – TV presenter and F1 pit lane reporter for Sky Sports F1. Stand for the Samaritans.
Chloe Meadows – ITV star 'The Only Way Is Essex' is running for Crohn's and Colitis UK charity.
