She only started running when she was 57. At 67, she is now the first Singaporean - and the oldest person in the world - to run 7 marathons in 7 continents over 7 days. Gloria Lau shares her running journey through desert and ice.

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She only started running when she was 57. At 67, she is now the first Singaporean - and the oldest person in the world - to run 7 marathons in 7 continents over 7 days. Gloria Lau shares her running journey through desert and ice.

See omnystudio.com/listener for privacy information.