World Athletics to tighten regulations on shoe technology after Nike's Vaporfly helps records tumble, say sources-Sports News , Firstpost
Brigid Kosgei - Wikipedia
Brigid Kosgei breaks women's marathon world record
Brigid Kosgei and Ruth Chepngetich will follow in Eliud Kipchoge's footsteps by wearing controversial trainers in London Marathon | World of Women's Sport
A Tale of Two Marathon Records and Nike's Magic Shoes - Outside Online
Nike Vaporfly Shoes Claim 31 out of 36 Podiums in 2019 World Marathon Majors | Running Shoes Guru
Nike Vaporfly Shoes Make Runners Faster, but They're Controversial
Nike's Vaporfly Tests the Boundaries of the Running Shoe - Bloomberg
Athletics - Chicago Marathon - Chicago, Illinois, United States - October 13, 2019 Kenya's Brigid Kosgei, wearing Nike Vaporfly
Nike's Brigid Kosgei Sets Women's Record for Fastest Marathon Time – Footwear News
Nike Vaporfly Shoes Won't Be Banned From Olympics - WSJ
Nike's Brigid Kosgei Sets Women's Record for Fastest Marathon Time – Footwear News
Brigid Kosgei smashes marathon world record in Chicago - AW
London Marathon Winner Brigid Kosgei's Motivational Talk Is What Winter Runners Need To Read | British Vogue
London Marathon 2019 Winners: Nike's Eliud Kipchoge, Brigid Kosgei – Footwear News
Brigid Kosgei Shatters World Record at the 2019 Chicago Marathon - Women's Running
On Records and Rules: Kipchoge, Kosgei, Pacers and Nikes - Outside Online
Nike Vaporfly: Why shoe worn by Kipchoge, Kosgei in record runs faces ban - The Standard Entertainment
Nike Vaporfly trainers worn by Eliud Kipchoge and Brigid Kosgei are form of 'technical doping'
Former marathon world record holder says hi-tech shoes are 'like doping' and calls for ban | The Independent
Brigid Kosgei Wins 2018 Chicago Marathon in 2:18:35, Becomes 9th Woman To Break 2:19:00 As No Americans Break 2:30 - LetsRun.com
Nike's record-breaking running shoe to be banned
Those Superfast Nike Shoes Are Creating a Problem - The New York Times
