In the second of this three-part video series, join Competitor.com senior producer Mario Fraioli as he runs 8 miles at his goal marathon pace while practicing taking in fluid at regular intervals during the workout.

More from Competitor.com–Video: Fuel Your Fast, Part I

FILED UNDER: Training / Video TAGS: Fuel Your Fast / Marathon Training / Mario Fraioli / sports nutrition

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  Video: Fuel Your Fast, Part II

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