Caitriona Jennings ran 100 miles in just over 12 hours and wants other women to follow her example – ‘it’s not actually that difficult’ Caitriona Jennings ran 100 miles in just over 12 hours and wants other women to follow her example – ‘it’s not actually that difficult’ I magine being able to run a marathon in three hours and 17 minutes. That is certainly no mean feat. But now think about trying to sustain that same pace for another nine hours. To most of us, the idea veers somewhere between