# María Fernanda Mackenna

María Fernanda Mackenna Cooper (born 2 December 1986, in Santiago) is a Chilean sprinter who competes in the 200 and 400 metres. She has won multiple medals at regional revel.

## International competitions

| Year | Competition | Venue | Position | Event | Notes |
| Representing Chile ||||||
| 2001 | South American Junior Championships | Santa Fe, Argentina | 8th | 100 m | 12.91 |
| 2001 | South American Junior Championships | Santa Fe, Argentina | 10th (h) | 200 m | 25.99 |
| 2001 | South American Junior Championships | Santa Fe, Argentina | 4th | 4 × 100 m relay | 47.49 |
| 2001 | South American Junior Championships | Santa Fe, Argentina | 4th | 4 × 400 m relay | 3:51.05 |
| 2002 | South American Games | Belém, Brazil | 5th | 100 m | 12.33 |
| 2002 | South American Games | Belém, Brazil | 6th | 200 m | 25.21 |
| 2002 | South American Games | Belém, Brazil | 3rd | 4 × 100 m relay | 47.11 |
| 2002 | South American Games | Belém, Brazil | 4th | 4 × 400 m relay | 3:49.09 |
| 2002 | South American Junior Championships | Belém, Brazil | 5th | 100 m | 12.33 |
| 2002 | South American Junior Championships | Belém, Brazil | 6th | 200 m | 25.21 |
| 2002 | South American Junior Championships | Belém, Brazil | 3rd | 4 × 100 m relay | 47.11 |
| 2002 | South American Junior Championships | Belém, Brazil | 4th | 4 × 400 m relay | 3:49.09 |
| 2002 | South American Youth Championships | Asunción, Paraguay | 4th | 100 m | 12.63 |
| 2002 | South American Youth Championships | Asunción, Paraguay | 3rd | 200 m | 25.02 (w) |
| 2002 | South American Youth Championships | Asunción, Paraguay | 5th | 4 × 100 m relay | 51.3 |
| 2002 | South American Youth Championships | Asunción, Paraguay | 3rd | 4 × 400 m relay | 2:15.83 |
| 2003 | South American Junior Championships | Guayaquil, Ecuador | 1st | 4 × 100 m relay | 46.54 |
| 2003 | South American Junior Championships | Guayaquil, Ecuador | 4th | 4 × 400 m relay | 3:52.37 |
| 2003 | Pan American Junior Championships | Bridgetown, Barbados | 6th | 4 × 100 m relay | 46.38 |
| 2004 | South American U23 Championships | Barquisimeto, Venezuela | 2nd | 200 m | 24.47 |
| 2004 | South American U23 Championships | Barquisimeto, Venezuela | 2nd | 4 × 100 m relay | 45.67 |
| 2004 | South American U23 Championships | Barquisimeto, Venezuela | 2nd | 4 × 400 m relay | 3:48.38 |
| 2004 | Ibero-American Championships | Huelva, Spain | 9th (h) | 200 m | 25.28 |
| 2004 | Ibero-American Championships | Huelva, Spain | – | 4 × 100 m relay | DQ |
| 2005 | South American Championships | Cali, Colombia | 6th | 400 m | 55.52 |
| 2005 | South American Championships | Cali, Colombia | 3rd | 4 × 100 m relay | 44.77 |
| 2005 | South American Championships | Cali, Colombia | 3rd | 4 × 400 m relay | 3:40.49 |
| 2005 | Pan American Junior Championships | Windsor, Canada | 7th | 400 m | 55.13 |
| 2005 | South American Junior Championships | Rosario, Argentina | 4th | 200 m | 24.53 (w) |
| 2005 | South American Junior Championships | Rosario, Argentina | 3rd | 400 m | 55.23 |
| 2005 | South American Junior Championships | Rosario, Argentina | 5th | 4 × 100 m relay | 47.97 |
| 2005 | South American Junior Championships | Rosario, Argentina | 4th | 4 × 400 m relay | 3:47.66 |
| 2006 | South American Games / South American U23 Championships | Buenos Aires, Argentina | 2nd | 4 × 100 m relay | 46.63 |
| 2006 | South American Games / South American U23 Championships | Buenos Aires, Argentina | 4th | 4 × 400 m relay | 3:46.22 |
| 2007 | South American Championships | São Paulo, Brazil | 6th | 200 m | 24.47 |
| 2007 | South American Championships | São Paulo, Brazil | 5th | 400 m | 55.43 |
| 2007 | South American Championships | São Paulo, Brazil | 3rd | 4 × 100 m relay | 45.34 |
| 2007 | South American Championships | São Paulo, Brazil | 3rd | 4 × 400 m relay | 3:55.13 |
| 2007 | Pan American Games | Toronto, Canada | 21st (h) | 200 m | 24.97 |
| 2007 | Pan American Games | Toronto, Canada | 10th (h) | 4 × 100 m relay | 45.50 |
| 2011 | South American Championships | Buenos Aires, Argentina | 6th | 200 m | 24.56 |
| 2011 | South American Championships | Buenos Aires, Argentina | 6th | 400 m | 55.80 |
| 2011 | South American Championships | Buenos Aires, Argentina | 3rd | 4 × 100 m relay | 46.42 |
| 2011 | South American Championships | Buenos Aires, Argentina | 3rd | 4 × 400 m relay | 3:49.51 |
| 2012 | Ibero-American Championships | Barquisimeto, Venezuela | 9th (h) | 200 m | 23.91 |
| 2013 | South American Championships | Cartagena, Colombia | 7th | 200 m | 23.91 |
| 2013 | South American Championships | Cartagena, Colombia | 4th | 4 × 100 m relay | 45.53 |
| 2013 | Bolivarian Games | Trujillo, Peru | 4th | 400 m | 54.99 |
| 2013 | Bolivarian Games | Trujillo, Peru | 4th | 4 × 100 m relay | 45.31 |
| 2013 | Bolivarian Games | Trujillo, Peru | 3rd | 4 × 400 m relay | 3:41.74 |
| 2014 | South American Games | Santiago, Chile | 4th | 200 m | 24.01 |
| 2014 | South American Games | Santiago, Chile | 4th | 400 m | 53.49 |
| 2014 | South American Games | Santiago, Chile | 2nd | 4 × 100 m relay | 45.09 |
| 2014 | South American Games | Santiago, Chile | 3rd | 4 × 400 m relay | 3:37.42 |
| 2014 | Ibero-American Championships | São Paulo, Brazil | 4th | 400 m | 54.47 |
| 2015 | South American Championships | Lima, Peru | 4th | 400 m | 54.96 |
| 2015 | South American Championships | Lima, Peru | 3rd | 4 × 100 m relay | 44.83 |
| 2015 | South American Championships | Lima, Peru | 3rd | 4 × 400 m relay | 3:40.56 |
| 2015 | Pan American Games | Toronto, Canada | 10th (h) | 4 × 100 m relay | 45.38 |
| 2015 | Pan American Games | Toronto, Canada | 12th (h) | 4 × 400 m relay | 3:41.35 |
| 2016 | Ibero-American Championships | Rio de Janeiro, Brazil | 7th | 400 m | 54.60 |
| 2016 | Ibero-American Championships | Rio de Janeiro, Brazil | 3rd | 4 × 400 m relay | 3:36.16 |
| 2017 | South American Championships | Asunción, Paraguay | 11th (h) | 200 m | 24.48 |
| 2017 | South American Championships | Asunción, Paraguay | 10th (h) | 400 m | 56.67 |
| 2017 | South American Championships | Asunción, Paraguay | 3rd | 4 × 400 m relay | 3:40.00 |
| 2017 | Bolivarian Games | Santa Marta, Colombia | 3rd | 400 m | 54.05 |
| 2017 | Bolivarian Games | Santa Marta, Colombia | 1st | 4 × 400 m relay | 3:37.93 |
| 2018 | South American Games | Cochabamba, Bolivia | 3rd | 400 m | 53.60 |
| 2018 | South American Games | Cochabamba, Bolivia | 2nd | 4 × 400 m relay | 3:33.42 |
| 2018 | Ibero-American Championships | Trujillo, Peru | 4th | 200 m | 24.54 |
| 2018 | Ibero-American Championships | Trujillo, Peru | 6th | 400 m | 54.52 |
| 2018 | Ibero-American Championships | Trujillo, Peru | 5th | 4 × 400 m relay | 3:43.56 |
| 2019 | World Relays | Yokohama, Japan | 6th (B) | 4 × 400 m relay | 3:33.54 |
| 2019 | South American Championships | Lima, Peru | 6th | 400 m | 54.27 |
| 2019 | South American Championships | Lima, Peru | 4th | 4 × 400 m relay | 3:37.35 |
| 2019 | Pan American Games | Lima, Peru | 7th | 4 × 400 m relay | 3:39.95 |
| 2020 | South American Indoor Championships | Cochabamba, Bolivia | 2nd | 200 m | 24.24 |
| 2020 | South American Indoor Championships | Cochabamba, Bolivia | 2nd | 400 m | 54.45 |
| 2021 | World Relays | Chorzów, Poland | 14th (h) | 4 × 400 m relay | 3:41.28 |
| 2021 | South American Championships | Guayaquil, Ecuador | 6th | 400 m | 55.45 |
| 2021 | South American Championships | Guayaquil, Ecuador | 2nd | 4 × 400 m relay | 3:34.89 |
| 2023 | Pan American Games | Santiago, Chile | 6th | 4 × 400 m relay | 3:37.00 |

## Personal bests

Outdoor
* 100 metres – 11.85 (+1.5 m/s, Santiago 2012)
* 200 metres – 23.67 (+0.9 m/s, Santiago 2012)
* 400 metres – 53.13 (Santiago 2018)
Indoor
* 200 metres – 24.53 (Albuquerque 2016)
* 400 metres – 54.45 (Cochabamba, 2020)