Philippe Croizon, 42, started from Folkestone, in Kent, Saturday morning, expecting to complete the 34 kilometre (21 mile) swim in about 24 hours.
who swims using prosthetic legs, finished the 21 mile (34km) challenge by reaching Cap Gris Nez in more than 14 hours. He surprised himself with a time of 13-and-a-half hours, which his team believes is a record for a handicapped swimmer.
reported that, at no point did Croizon feel he was not going to make it the entire way, despite aches and pains throughout his body. He had been training for the challenge for two years.
Croizon suffered an electric shock while removing a television aerial from a roof 16 years ago, resulting in the amputation of his limbs.
Croizon's father said wind conditions were favourable and three dolphins joined in the swim for a while.