Estie Wittstock (born 15 September 1980) is a South African sprinter who specialises in the 400 metres.
Competition record Representing 1998World Junior ChampionshipsAnnecy, France5th400m53.166th4 × 100 m relay45.679th (h)4 × 400 m relay3:39.442003UniversiadeDaegu, South Korea 3rd400 m52.86All-Africa GamesAbuja, Nigeria 3rd200 m23.464th400 m51.81Afro-Asian GamesHyderabad, India4th200 m23.59 1st400 m52.092004African ChampionshipsBrazzaville, Republic of the Congo6th400 m51.85 2nd4 × 400 m relay3:30.12Olympic GamesAthens, Greece18th (h)400 m51.772005World ChampionshipsHelsinki, Finland38th (h)400 m53.2812th (h)4 × 400 m relay3:31.712006Commonwealth GamesMelbourne, Australia9th (h)400 m52.49 –4 × 400 m relayDQAfrican ChampionshipsBambous, Mauritius8th400 m54.34 1st4 × 400 m relay3:36.882007All-Africa GamesAlgiers, Algeria6th400 m52.56 2nd4 × 400 m relay3:33.622010African ChampionshipsNairobi, Kenya 2nd200 m23.505th400 m52.602012African ChampionshipsPorto-Novo, Benin7th400 m52.844th4 × 400 m relay3:33.21
Personal bests 100 m – 11.55 (+0.8) (Potchefstroom 2008) 200 m – 23.31 (+1.0) (Potchefstroom 2004) 400 m – 51.48 (Belém 2004)
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