Katie Ledecky makes history with 6th world title in 800m freestyle 

instagram@katieledecky

Katie Ledecky holds the record for singles gold medals in the world of swimming.

[{"selector":"#anim-44ea7f6b-5ded-45f5-8793-4e8b62c97b13 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-21.901041496163273%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Katie Ledecky won the world championships in the women's 800m freestyle on Saturday.

[{"selector":"#anim-eaca2c6a-c7b8-4391-8112-154a2b1f56e1 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(20.83333315635113%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Katie Ledecky surpassed Michael Phelps for the record for most individual swimming golds with 16 golds.

[{"selector":"#anim-086c5dfb-659e-46aa-8ab4-59644cda2c6c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-21.874999829338588%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Katie Ledecky made history by winning six consecutive world titles in the same event by winning her sixth consecutive victory in the 800 m freestyle.

[{"selector":"#anim-1b98740d-6950-4eb1-bd12-eca80900f10e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(31.276041553050415%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Ledecky's first win was at the age of 15 and the 26-year-old has not lost in the event since.

[{"selector":"#anim-7fc01d96-cb06-4ce7-b850-b45f72f76d1d [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-31.249999886225726%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Ledecky never trailed, winning the 800 m in 8:08.87, four seconds off her 2016 world record time.

[{"selector":"#anim-c01cadd1-09c4-46c5-8403-75209a398de7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(31.249999886225726%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

4.44seconds faster than the second-placed Li Bingjie of China.

[{"selector":"#anim-a12cfdfa-09b4-4d3c-a06c-e16b20a2ec55 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-22.067625472383938%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky

Ariarn Titmus of Australia won the bronze medal in the competition held in Fukuoka, Japan.

[{"selector":"#anim-f5e5b6b5-9329-448c-9c80-a533926d2843 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(20.83333315635113%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] instagram@katieledecky