How “Choosing To Believe” Helps Deena Kastor Break Records

Deena Kastor shares how choosing to believe in herself pushed her to set a new U.S. Women's Masters division record during the 2015 Chicago Marathon.

Women’s Running spent an evening in late 2017 with three of running’s most talented and inspirational athletes at the Mammoth Crib (a training hub for elite athletes) in a wide-ranging conversation over dinner. In the fourth and final installment of this video series, American marathon record holder Deena Kastor describes the buildup to her 2015 Chicago Marathon, a race she initially felt unprepared for but during which she ultimately set a new U.S. Women’s Masters marathon record. Video courtesy of Visit Mammoth.