Searching for some examples about documentary films and how it can help me while making my documentary film, I went onto IUSB's website to look for scholarly journals at which I searched for "Sports Documentary." I found an article called, "Height of Passion: A Film-Maker's Observation" and it explains the difficulty of making sports films because the focus isn't to attract sports fanatics, but to try and get the non-sports lovers to watch such documentary films on sports.
Hay, Rod. "Height of Passion: A Film-Maker's Observation." Communication & Mass Media Complete. 136 (2003): 182-184. Web.