This is called being GOAT. Ledecky has the top 29 recorded times for all time for the 500M freestyle

Dec 29, 2023
10:31:29am

Zenoch All-American

Katie Ledecky also swam 8:06.68 (2016), 8:07.07 (2023), 8:07.27 (2018), 8:07.39 (2015), 8:08.04 (2022), 8:08.87 (2023), 8:09.13 (2018), 8:09.27 (2022), 8:10.32 (2016), 8:10.70 (2019), 8:10.91 (2016), 8:11.00 (2014), 8:11.08 (2018), 8:11.21 (2015), 8:11.35 (2014), 8:11.50 (2017), 8:11.70 (2018), 8:11.83 (2022), 8:11.98 (2018), 8:12.03 (2022), 8:12.57 (2021), 8:12.68 (2017), 8:12.81 (2021), 8:12.86 (2016), 8:13.02 (2015), 8:13.06 (2022), 8:13.20 (2016), 8:13.25 (2015)

Wikipedia

World record progression 800 metres freestyle

The first world record in the women's 800 metres freestyle in long course (50 metres) swimming was recognised by the International Swimming Federation (FINA) in 1931. The women's 880 yard freestyle had been a FINA-recognized world record event since 1919. However, in 1931 FINA decreed that only...

https://en.wikipedia.org/wiki/World_record_progression_800_metres_freestyle