Multiple sclerosis sufferer Annette Johnson ran 12 marathons in 365 days . The Dane says her grueling year helped ease the symptoms of her disease . The year - old ran a total of 200 kilometers and ran through 20 pairs of shoes . Before I would run once in a while and I could n't really get the hang of it , I did n't really enjoy it . ` ` My muscles and bones got stronger during the project , '' Johnson tells CNN .
Multiple sclerosis sufferer Annette Johnson ran 12 marathons in 365 days . The Dane says her grueling year helped ease the symptoms of her disease . The year - old ran a total of 200 kilometers and ran through 20 pairs of shoes . ` ` My muscles and bones got stronger during the project , '' Johnson tells CNN .