The 2025 edition set a world record for marathon finishers, with more than 56,000 people completing the course.
The 2026 field is larger still, with more than 59,000 runners expected on the start line and a record 1,133,813 ballot applications submitted for places.
Cynthia Erivo, who plays Elphaba in the Wicked films, returns for her second London Marathon after a previous finish of 3:35.
Joe Wicks is running in aid of the National Deaf Children’s Society, joined in costume by Daddy Pig of the Peppa Pig franchise.
Former Arsenal and England captain Tony Adams and seven-time Olympic cyclist Dame Laura Kenny are also among the names on the start list.
