400m hurdles heats and semi-finals, 31 July

Heat 1

 

Tisdall (Ireland) 54.8

 

Nottbrock (Germany)

 

Hardin (USA)

 

 

Semi-final 1

 

Hardin (USA) 52.8 (Olympic record)

 

Taylor (USA)

 

Lord Burghley (Britain)

 

 

Semi-final 2

 

Tisdall (Ireland) 52.8

 

Areksoug (Sweden)

 

Facelli (Italy)