Paralysed Claire Lomas is set to finish the London Marathon on Tuesday, the first person ever to complete the race in a bionic suit.
Lomas will crossing the finishing line on The Mall 16 days after the race began. As she completes the 26.2-mile route, which she started on 22 April with some 36,000 other participants, she will become the first person to complete any marathon using a bionic ReWalk suit.
The 32-year-old, from Eye Kettleby, near Melton Mowbray, Leicestershire, was left paralysed from the chest down following a horse riding accident in 2007.
So far she has raised around £80,000 for Spinal Research, a charity which funds medical research around the world to develop reliable treatments for paralysis caused by a broken back or neck.
Ms Lomas has walked around two miles a day, cheered on by husband Dan, mother Joyce and 13-month-old daughter Maisie.
But Ms Lomas will not appear in the official results or receive a medal when she finishes, organisers confirmed, as competitors have to finish the course on the same day to qualify for a medal.
A number of celebrities have also lent their support by walking a mile alongside her, including TV presenter Gabby Logan and husband, former international rugby star Kenny, and TV presenter and adventurer Ben Fogle.
The mother-of-one broke her neck, back and ribs and punctured a lung when her horse Rolled Oats threw her off as she took part in the Osberton Horse Trials in Nottinghamshire in 2007.
The £43,000 ReWalk suit, designed by Israeli entrepreneur Amit Goffer, enables people with lower-limb paralysis to stand, walk and climb stairs through motion sensors and an onboard computer system.
A shift in the wearer's balance, indicating their desire to take, for example, a step forward, triggers the suit to mimic the response that the joints would have if they were not paralysed.
To sponsor Ms Lomas online visit www.justgiving.com/Claire-Lomas.