Rashford, whose last contract was slated to end in 2024, has appeared in over 360 games for United since his debut in 2016.
He has 123 goals in all competitions, including 30 in the 2022–23 season, which helped the team finish third.
"As a seven-year-old boy with a dream, I joined Manchester United." "Every time I have the honour of wearing the shirt, that same passion, pride, and determination to succeed drives me," the 25-year-old told the club's website.
THIS IS HOME ❤️
— Manchester United (@ManUtd) July 18, 2023
We couldn't be happier, @MarcusRashford 🙏#MUFC
In the years ahead, I remain relentlessly determined to help win more trophies for this incredible club. I have already experienced some amazing experiences at this incredible club.
There is no doubt in my mind that I will do everything in my power to help the team reach the level we are capable of, and I can sense the same determination in the dressing room. Under this manager, I could not be more excited about the future."
Rashford earned the club's Player of the Year and Players' Player of the Year honours in the 2022–23 season.
"Marcus has exemplified what it takes to succeed as a Manchester United player since joining our Academy 18 years ago," stated Manchester United Football Director John Murtough.
In addition to having a tremendous skill, he is also modest, committed, and motivated. As he enters his prime, we are aware that Marcus still has a tremendous amount to offer, and we can sense his desire to achieve the greatest levels of success at Manchester United.