Ultra running documentary film exploring Courtney's source of will 8.00/10 2019-04-02 39 minutes.HDThe Source is a documentary film that explores, two time ultra runner of the year Courtney Dauwalter's source of will. How does the candy-loving, beer drinking athlete crush 200+ mile races, in some cases, beating all the men and the women? The film gives viewers a front row seat as Courtney races the Tahoe 200 and lends insight.Year: 2019Studio: Dream Lens Media LLCCountry: United States of America