People never know what they are capable until they are pushed out of their comfort zones!
People can do this on purpose, choosing to push themselves setting new goals and challenges. Setting a goal that seems impossible and breaking it down to a number of tasks can help you achieve goals like this.
Sometimes though people are pushed out of their comfort zones by circumstance and that is this picture here. This man through circumstance has pushed himself and motivated himself enough to carry his daughter with him in all of the Triathlons he does.
How can you live a more motivated, inspiring life?