Chepngetich world record breaks barriers Kenya’s Ruth Chepngetich knocked almost two minutes off the world record on the flat, fast Chicago Marathon course – further fuelling debate about the “super shoe” arms race amongst manufacturers WOMEN’S WORLD RECORD PROGRESSION* Hrs:mins:secs 3:40 3:30 3:20 3:10 3:00 2:50 2:40 2:30 2:20 2:10 2:00 1963 1973 1983 1993 2013 2003 2023 3:40:22 Violet Piercy GBR World best set in 1926, stands until 1963 2:15:25 Paula Radcliffe GBR (2003) Record stands for 16 years 2:14:04 Brigid Kosgei KEN (2019) 2:11:53 Tigst Assefa ETH (2023) 2:09:57 Ruth Chepngetich KEN Third new WR in last five years World Athletics rank record display as equivalent to 1:59:37 in men’s marathon – eclipsing current time by almost a minute *Time initially listed as World best – replaced by World record in Jan 2004 Nike Alphafly 3 Cost: $381 (€341) Weight: 218g Chepngetich and compatriot, Kelvin Kiptum (inset) who set new men’s mark in 2023, both broke record wearing Nike’s latest shoe Source: IAAF Pictures: Newscom, Getty, Nike © GRAPHIC NEWS