The Source (2019) is a Documentary film that follows the 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. The Source is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.5 out of 10 from 2 votes. Fans of documentary movies may also want to explore similar titles below.