title: Heide Seyerling
text: # Heide Seyerling
  
  Heide Seyerling (born 19 August 1976) is a former South African athlete, born in Port Elizabeth, specializing in the 200 and 400 metres. She twice competed at the Olympic Games, in 2000 and 2004. At the 2000 Games she reached the 400 metres final finishing 6th with a new (and still standing now) national record of 50.05. She is married to former sprinter Mathew Quinn.
  
  ## Competition record
  
  | Year | Competition | Venue | Position | Event | Notes |
  | - | - | - | - | - | - |
  | Representing South Africa ||||||
  | 1994 | African Junior Championships | Algiers, Algeria | 2nd | 100 m | 11.69 |
  | 1994 | African Junior Championships | Algiers, Algeria | 1st | 200 m | 23.59 |
  | 1994 | African Junior Championships | Algiers, Algeria | 2nd | 4 × 100 m relay | 46.15 |
  | 1994 | World Junior Championships | Lisbon, Portugal | 10th (sf) | 100m | 11.62 (wind: +0.8 m/s) |
  | 1994 | World Junior Championships | Lisbon, Portugal | 1st | 200m | 22.80 w (wind: +2.2 m/s) |
  | 1994 | World Junior Championships | Lisbon, Portugal | 2nd (h) | 4 × 100 m relay | 45.63 |
  | 1995 | World Championships | Gothenburg, Sweden | – | 200 m | DQ |
  | 1998 | African Championships | Dakar, Senegal | 3rd | 200 m | 22.89 |
  | 1998 | Commonwealth Games | Kuala Lumpur, Malaysia | 5th | 200 m | 23.07 |
  | 1999 | World Championships | Edmonton, Canada | 38th (h) | 200 m | 23.59 |
  | 1999 | World Championships | Edmonton, Canada | 11th (h) | 4 × 100 m relay | 44.35 |
  | 1999 | All-Africa Games | Johannesburg, South Africa | 5th (h) | 200 m | 23.31 |
  | 1999 | All-Africa Games | Johannesburg, South Africa | 7th | 400 m | 52.27 |
  | 2000 | Olympic Games | Sydney, Australia | 6th | 400 m | 50.05 (NR) |
  | 2001 | World Championships | Edmonton, Canada | 9th (sf) | 400 m | 50.87 |
  | 2002 | Commonwealth Games | Manchester, United Kingdom | 5th | 400 m | 52.87 |
  | 2002 | African Championships | Radès, Tunisia | 6th (h) | 400 m | 53.81 |
  | 2003 | World Championships | Paris, France | 20th (sf) | 400 m | 51.89 |
  | 2003 | All-Africa Games | Abuja, Nigeria | 6th | 400 m | 52.45 |
  | 2003 | All-Africa Games | Abuja, Nigeria | 2nd | 4 × 100 m relay | 44.44 |
  | 2004 | African Championships | Brazzaville, Republic of the Congo | 5th | 400 m | 51.67 |
  | 2004 | African Championships | Brazzaville, Republic of the Congo | 2nd | 4 × 100 m relay | 44.42 |
  | 2004 | African Championships | Brazzaville, Republic of the Congo | 2nd | 4 × 400 m relay | 3:30.12 |
  | 2004 | Olympic Games | Athens, Greece | 37th (h) | 200 m | 23.66 |
  | 2006 | African Championships | Bambous, Mauritius | 4th | 400 m | 53.26 |
  | 2006 | African Championships | Bambous, Mauritius | 1st | 4 × 400 m relay | 3:36.88 |
  
  ## Personal bests
  
  * 100 m – 11.35 (-0.3) (Durban 1999)
  * 200 m – 22.63 (+1.8) (Durban 2001)
  * 400 m – 50.05 (Sydney 2000)
  