Elite runner Rachel Entrekin David Gura and Christina Ruffini on Bloomberg This Weekend to discuss her historic achievement as the first woman to win the 250-mile Cocodona ultramarathon outright. She finished the grueling Arizona course in a record 56 hours, 9 minutes, and 48 seconds, defeating the entire field of men and women. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: