Olympics-Swimming-Tunisia's Hafnaoui hopes surprise 400 freestyle gold makes family proud
Katie Ledecky smashes world record to win Olympic gold in 400-meter freestyle - The Washington Post
How to swim faster 400 meter freestyle - Swim Coach App - Smart Trainings for Swimming and Triathlon
Tokyo Olympics: Women's 400-meter freestyle ends in nail-biter
400m Freestyle World Record
Morgan Stickney wins gold in 400-meter freestyle S8 final in Tokyo
Matt Fallon Breaks National High School Record in 400 Meter Free
Ariarne Titmus to face Katie Ledecky in Tokyo 400m freestyle final, Kaylee McKeown sets Olympic record - ABC News
Flying start: American swimmers do just fine without Phelps | WATE 6 On Your Side
Emma Weyant cruises to top lane spot in Tokyo Olympics final
Ariarne Titmus and Katie Ledecky set for showdown in 400m freestyle final | Tokyo Olympic Games 2020 | The Guardian
Katie Ledecky Smashes Her Own World Record in 400 Freestyle - The New York Times
World swimming championships: Katie Ledecky reclaims 400 meters title
How Many Laps Is 400 Meters in a Pool?
Ariarne Titmus breaks Katie Ledecky's 400m freestyle world record at Australian Swimming Championships - ABC News
Katie Ledecky Wins Gold in 400-Meter Freestyle at the Rio Olympics - WSJ
Canadian swimmer McIntosh sets women's world record in 400-metre freestyle | CTV News
Men's 400m Freestyle A Final | 2018 Winter National Championships - YouTube
Mixed 400m Medley Relay Final | 2018 TYR Pro Swim Series – Austin - YouTube
Katie Ledecky wins silver for USA in 400 freestyle at Tokyo Olympics
Improve Your 400m IM with this Set
Olympics: Katie Ledecky beat by Ariarne Titmus in 400-meter free
Japanese star Seto misses in 400 IM as Olympic swim starts - The San Diego Union-Tribune
Men's 400m Free A Final | 2017 arena Pro Swim Series at Indianapolis - YouTube
Ariarne Titmus outduels Katie Ledecky in 400-meter freestyle at Tokyo Olympics - The Washington Post
Emma Weyant earns spot at Tokyo Olympics after winning 400 IM
Canada's Summer McIntosh breaks world record in 400 freestyle
