Sport Today - Kelvin Kiptum: 'Two-hour marathon barrier will be broken before long' - 大象传媒 Sounds

Sport Today - Kelvin Kiptum: 'Two-hour marathon barrier will be broken before long' - 大象传媒 Sounds


Kelvin Kiptum: 'Two-hour marathon barrier will be broken before long'

Athletics journalist Alex Seftel discusses Kelvin Kiptum's marathon record time.

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