| Birth Date: | 10 October 1986 |
| Country: | / |
| Sport: | Athletics |
| Event: | 400 m hurdles |
Mamadou Kassé Hann (born 10 October 1986, Pikine, Senegal[1]) is a Senegalese hurdler. At the 2012 Summer Olympics, he competed in the Men's 400 metres hurdles.[2] [3] [4] He was a finalist at the 2013 World Championships in Athletics, placing seventh. Hanne was a two-time individual medalist at the African Championships in Athletics.
He transferred his eligibility to France on 22 August 2014 and became eligible to represent his adoptive nation internationally from June 2015 onwards.[5]
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2005 | African Junior Championships | Radès, Tunisia | 8th | 400 m hurdles | 54.41 | |
| 3rd | 4 × 400 m relay | 3:14.43 | ||||
| 2006 | African Championships | Bambous, Mauritius | 14th (h) | 400 m hurdles | 54.47 | |
| 2007 | All-Africa Games | Algiers, Algeria | 12th (h) | 400 m hurdles | 51.26 | |
| 6th | 4 × 400 m relay | 3:08.35 | ||||
| 2008 | African Championships | Addis Ababa, Ethiopia | 11th (h) | 400 m hurdles | 53.29 | |
| 3rd | 4 × 400 m relay | 3:05.93 | ||||
| 2009 | Jeux de la Francophonie | Beirut, Lebanon | 3rd | 400 m hurdles | 50.69 | |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:06.93 | |||
| 2010 | African Championships | Nairobi, Kenya | 3rd | 400 m hurdles | 49.10 | |
| 5th (h) | 4 × 400 m relay | 3:09.87 | ||||
| 2012 | African Championships | Porto Novo, Benin | bgcolor=silver | 2nd | 400 m hurdles | 49.39 |
| Olympic Games | London, United Kingdom | 10th (sf) | 400 m hurdles | 48.80 | ||
| 2013 | World Championships | Moscow, Russia | 7th | 400 m hurdles | 48.68 | |
| Jeux de la Francophonie | Nice, France | bgcolor=gold | 1st | 400 m hurdles | 49.48 | |
| Representing | ||||||
| 2016 | European Championships | Amsterdam, Netherlands | 8th (sf) | 400 m hurdles | 49.28 | |
| 12th (h) | 4 × 400 m relay | 3:04.95 | ||||
| Olympic Games | Rio de Janeiro, Brazil | 9th (h) | 4 × 400 m relay | 3:00.82 | ||
| 2017 | World Relays | Nassau, Bahamas | 8th | 4 × 400 m relay | 3:06.33 | |
| World Championships | London, United Kingdom | 17th (sf) | 400 m hurdles | 50.35 | ||
| 2018 | European Championships | Berlin, Germany | 4th | 4 × 400 m relay | 3:02.08 | |
| 2021 | World Relays | Chorzów, Poland | 7th (h) | 4 × 400 m relay | 3:04.78 | |