The 41 year old, set women's marathon world record of 2 hours 15 minutes and 25 seconds back in 2003 in London.
The Briton has won the the London marathon three times in her career. Her last competitive race was in 2011 at Berlin marathon, but since then the former world champion was down-sided by several injuries.
"We are absolutely thrilled that Paula has chosen London for her final marathon," said London marathon organizer Hugh Brasher.
On Wednesday the London marathon organizers also published the women's elite field which and among them are last years London marathon winner Edna Kiplagat and second place finisher Florence Kiplagat of Kenya.
The London Marathon will take place on Sunday, April 26.
Edna Kiplagat (Kenya) 2:19:50
Mary Keitany (Kenya) 2:18:3703 July 2022 09:00 (GMT)
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