| Intro | Namibian athlete |
| Is | Athlete |
| From | Namibia |
| Type | Sports |
| Gender | male |
| Birth |
20 December 1990, Windhoek, Khomas Region, Namibia |
| Age | 30 years |
| Star sign | Sagittarius |
Johannes Gerhardus Maritz (born 20 December 1990) is a Namibian hurdler. He competed in the 400 metres hurdles event at the 2015 World Championships in Beijing without qualifying for the semifinals. His personal best in the 400 metres hurdles is 50.14 set in Potchefstroom in 2015.
Competition record
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing Namibia | |||||
| 2009 | African Junior Championships | Bambous, Mauritius | 3rd | 110 m hurdles (99 cm) | 14.73 |
| 3rd | 400 m hurdles | 52.61 | |||
| 2011 | Universiade | Shenzhen, China | 23rd (h) | 400 m hurdles | 51.94 |
| 13th (h) | 4 × 100 m relay | 41.51 | |||
| 2013 | Universiade | Kazan, Russia | 16th (h) | 400 m hurdles | 52.18 |
| 2014 | African Championships | Marrakech, Morocco | 5th | 400 m hurdles | 50.38 |
| 2015 | World Championships | Beijing, China | 37th (h) | 400 m hurdles | 51.10 |
| African Games | Brazzaville, Republic of the Congo | 10th (h) | 400 m hurdles | 51.20 | |
| 2016 | African Championships | Durban, South Africa | 8th (h) | 400 m hurdles | 51.24 |
| 2017 | Universiade | Taipei, Taiwan | 11th (sf) | 400 m hurdles | 50.59 |
| 2018 | Commonwealth Games | Gold Coast, Australia | 13th (h) | 400 m hurdles | 50.41 |
| African Championships | Asaba, Nigeria | 10th (h) | 400 m hurdles | 51.60 | |
| 9th (h) | 4 × 400 m relay | 3:11.53 | |||