| Events at the 2009 World Championships | ||
|---|---|---|
 | ||
| Track events | ||
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | men | women |
| 1500 m | men | women |
| 5000 m | men | women |
| 10,000 m | men | women |
| 100 m hurdles | women | |
| 110 m hurdles | men | |
| 400 m hurdles | men | women |
| 3000 m steeplechase | men | women |
| 4 × 100 m relay | men | women |
| 4 × 400 m relay | men | women |
| Road events | ||
| Marathon | men | women |
| 20 km walk | men | women |
| 50 km walk | men | |
| Field events | ||
| High jump | men | women |
| Pole vault | men | women |
| Long jump | men | women |
| Triple jump | men | women |
| Shot put | men | women |
| Discus throw | men | women |
| Hammer throw | men | women |
| Javelin throw | men | women |
| Combined events | ||
| Heptathlon | women | |
| Decathlon | men | |
The women's 200 metres at the 2009 World Championships in Athletics was held at the Olympic Stadium on 19, 20 and 21 August.
The 200 metres is a sprint running event. On an outdoor race 400 m track, the race begins on the curve and ends on the home straight, so a combination of techniques are needed to successfully run the race. A slightly shorter race, called the stadion and run on a straight track, was the first recorded event at the ancient Olympic Games. The 200 m places more emphasis on speed endurance than shorter sprint distances as athletes predominantly rely on anaerobic energy system during the 200 m sprint.
The 12th IAAF World Championships in Athletics were held in Berlin, Germany from 15–23 August 2009. The majority of events took place in the Olympiastadion, while the marathon and racewalking events started and finished at the Brandenburg Gate.
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Olympic silver medalist and defending World champion Allyson Felix (USA) established herself as the pre-race favorite, having run under 22 seconds earlier in the season. Double Olympic champion Veronica Campbell-Brown (JAM) suffered a toe injury and entered Berlin below her peak form.
In the final, Campbell-Brown and Allyson Felix both went out of the blocks quickly and entered the home straight even with one another. Felix, however, was able to hold her form as Campbell-Brown faltered, crossing the line in 22.02 seconds to win her third World 200m title. Campbell-Brown earned another silver medal in the 200m, and Debbie Ferguson-McKenzie (BAH) won the bronze medal.
