I am pursuing my PhD in Canada in Mechanical engineering and will graduate this November. This brings my PhD time to a total of 5 years 3 months. I already had a master's degree. I have not yet started looking for postdoc positions but I have heard from one of my lab's alumni that they were asked about their extended PhD duration during postdoc and industry position interviews.
I had coursework in first semester, but after that, all my time was invested in my research. So, I don't have the reasoning that my US counterparts have for their PhD extending over 5 years. I was unfocused for a better part of a semester during my 3rd year, so that might have caused this delay. On top of that, I am submitting my research to journals now, so I don't have any proof of productivity for the past 4 years.
I have two questions: 1) does an extended PhD duration really frowned upon in academia and industry (for a research scientist position), if so, any suggestions to counteract a question on that? 2) A vague question: How can I stay motivated and optimistic about completing my thesis and working towards an academic or a research scientist career in the future?