-
Fastest 1985, Naser wins world 400-meter
-
Johnson 1999: Men's 400m world record -
-
4 × 400 metres - Wikipedia
-
First-Time Olympian Emma Posts Fastest Time In Women's 400-Meter IM
-
13-Year-Old 47s 400m WORLD RECORD! -
-
Sydney runs 400-meter split ever a high schooler | USA TODAY High Sports
-
Naser stuns the world with fastest time since East German Koch
-
METER RECORD || WHO WILL BREAK - YouTube
-
Sydney McLaughlin Broke Record. Again. - The New York Times
-
Karsten Warholm breaks men's hurdles world in Norway
-
12-Year-Old Drops 400m In Semi -
-
Wayde van Niekerk smashes Michael Johnson's record to 400m gold Rio | The Guardian
-
I came in the 400m...how can I place 1st next 14 year old girl - Quora
-
RUNNING FORM: THE FASTEST 400M WORLD - YouTube
-
Gardiner goes into men's 400m with fastest - The Nassau Guardian
-
Best Meter Dash of The Opening Finals Tracking Football
-
Meter Training - Approach
-
Emily Costello NCAA's fastest 400-meter this year, breaking record Nevada Sports Net
-
Track's Most (and Suspect) Record Is in - The New York Times
-
What's good 400m time? all ages groups
-
She once single-handedly won a team track title for UMass Boston, and now her are set on the Olympics - The Boston Globe
-
Fastest High 400m In 2020 - YouTube
-
Men's 400m world record holder Van Niekerk positive for coronavirus