Why Can't Anyone Break the Women's Marathon Record? - Pacific Standard
Eliud Kipchoge Breaks Two-Hour Marathon Barrier - The New York Times
Copenhagen Half Marathon – Kamworor's world record officially ratified
Why Eliud Kipchoge's 1:59 Marathon Won't Be an Official World Record
Eliud Kipchoge: Fastest marathon distance (male) | Guinness World Records
London Marathon record broken by Kenyan athlete Kelvin Kiptum as Sir Mo Farah bows out | UK News | Sky News
Marathon - Wikipedia
70-year-old Gene Dykes runs 2:54:23 Marathon World Record
Marathon world record progression - Wikipedia
Marathon World Record - Fastest Marathon Times for Men and Women
World record holder Jacob Kiplimo to run in Vedanta Delhi Half Marathon on October 16 | More sports News - Times of India
Kenya's Brigid Kosgei Breaks Women's Marathon World Record : NPR
1 hour, 59 minutes, 40.2 seconds: For the first time, a human runs a marathon distance in less than two hours - The Boston Globe
A Tale of Two Marathon Records and Nike's Magic Shoes - Outside Online
Kipchoge's Sub-Two-Hour Marathon: How Legitimate Is It? - The Atlantic
Half marathon world record progression - Wikipedia
Mariko Yugeta, the 63-year-old limbering up to run a sub-three-hour marathon | Japan | The Guardian
Truly inspiring' London Marathon sees 18 Guinness World Records broken - The Irish News
Is it even possible for a human to run a marathon in under two hours? | The World from PRX
Kenya's Brigid Kosgei Breaks Marathon World Record - The New York Times
Marathon world record progression - Wikipedia
The incredible science behind Eliud Kipchoge's 1:59 marathon | WIRED UK
Eliud Kipchoge broke the men's marathon record by 30 seconds. How close is the official sub-2 hour barrier now?
