- Sarah Kearney, Aileen Kearney
- 3:06:42 hour(s):minute(s):second(s)
- United Kingdom (Liverpool)
The fastest half marathon run by a mother and daughter is 3 hr 6 min 42 sec, achieved by Sarah Kearney and Aileen Kearney (both UK) at Aintree Race Course, Liverpool, UK, on 9 May 2021.
Both Sarah and Aileen are coaches at their local athletics club and wanted to raise awareness for The Clatterbridge Cancer Centre whom help fight against cancer in Merseyside and Cheshire.