RT @Jacrain27: Kipchoge ran 2:01:39 but runs 9:40 per mile pace on his recovery days. Something to think about for those concerned in what their watch says.

RT @Jacrain27: Kipchoge ran 2:01:39 but runs 9:40 per mile pace on his recovery days. Something to think about for those concerned in what their watch says. (via Twitter http://twitter.com/maacher/status/1041472201462042624)