Brigid Kosgei broke the women’s world record for a marathon in Chicago; a record that has remained unchallenged for 16 years. We take a closer look at the psychology behind pushing the human body beyond its limits.

Produced by: Lim Sue Ann

Presented by: Sharmilla Ganesan, Lim Sue Ann, Juliet Jacobs

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Tags:  The Bigger Picture,  The Daily Digest,  marathon,  Chicago marathon,  Brigid Kosgei,  human body,  psychology,  women's world marathon record,  Sports,  Health,  Sports