BBC Sport on Twitter: "30 years on, Marita Koch's unbroken 400m world record is still a hot topic. Was it genuine? http://t.co/BrV7nrDldP http://t.co/qr1nexoNne" / Twitter
Women's Athletics World Records
Marita Koch
W 400m - Marita Koch - 47.60 - Canberra (Aus) - 1985 - World Record - YouTube
Marita Koch 400m World Record - YouTube
Marita Koch 48.16 World Record 400m. (European Championship Athens 82) - YouTube
Marita Koch - Wikipedia
Marita KOCH - Biography of her International athletics career. - East Germany
Marita koch hi-res stock photography and images - Alamy
Marita Koch | German athlete | Britannica
Marita Koch - Legends - - Publisher - Track and Field Society
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Monaco press points – Allan Wells, Marita Koch, Volker Beck | World Athletics
Enduring Shame: Marita Koch and the GDR | the runner eclectic
Marita Koch - Wikipedia
Marita Koch Comprehensive #1 Guide | Pinoyathletics.info
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
I Luv Athletics - 🔝 Marita Koch 🇩🇪 (b1957) is a German... | Facebook
A New World record to Marita Koch over 400 metres Olga Vladykina... News Photo - Getty Images
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Drugs, brawls, disqualifications: 30yrs since Canberra hosted most controversial athletes in history - ABC News
1985 Womens 400m World Record Marita Koch 47.60
Track's Most Resilient (and Suspect) Record Is in Danger - The New York Times
Marita Koch 400m World Record 48.16 (European Championships 82 Athens). - YouTube
