Jessica Cosby is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 hammer throw

Hammer throw

The modern or Olympic hammer throw is an athletic throwing event where the object is to throw a heavy metal ball attached to a wire and handle. The name "hammer throw" is derived from older competitions where an actual sledge hammer was thrown...

er. She competed at the 2007 World Championships

2007 World Championships in Athletics - Women's hammer throw

The Women's Hammer Throw event at the 2007 World Championships in Athletics took place on August 28, 2007 and August 30, 2007 at the Nagai Stadium in Osaka, Japan...

 and the 2008 Olympic Games

Athletics at the 2008 Summer Olympics - Women's hammer throw

The Women's Hammer Throw event at the 2008 Summer Olympics took place on 18–20 August at the Beijing National Stadium.The qualifying standards were 69.50 m and 67.00 m .-Medalists:-Schedule:...

 without reaching the final. Her personal best throw is 72.21 metres, achieved on August 20, 2009 in Berlin, Germany, which brought her seventh place at the 2009 World Championships

2009 World Championships in Athletics

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....

.

Shortly after the 2009 Championships, she failed a random, out-of-competition drug test. She explained that the banned diuretic

Diuretic

A diuretic provides a means of forced diuresis which elevates the rate of urination. There are several categories of diuretics. All diuretics increase the excretion of water from bodies, although each class does so in a distinct way.- Medical uses :...

 had entered her system as a result of taking a water pill to aid urination. Cosby said that depression, brought on by a series of personal and sporting setbacks (including losing her coach and her job), had left her unable to pass water and that her mother had given her the pill. Following an arbitration meeting with the US Anti-Doping Agency, the panel accepted her version of events and she received a reduced ban of four months.

Achievements

Representing the
2007	World Championships	Osaka, Japan	15th	67.90 m
2008	Olympic Games Athletics at the 2008 Summer Olympics - Women's hammer throw The Women's Hammer Throw event at the 2008 Summer Olympics took place on 18–20 August at the Beijing National Stadium.The qualifying standards were 69.50 m and 67.00 m .-Medalists:-Schedule:...	Beijing Beijing Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's... , PR China	—	NM
2009	World Championships 2009 World Championships in Athletics – Women's hammer throw The Women's Hammer Throw event at the 2009 World Championships in Athletics was held at the Olympic Stadium on August 20 and August 22.-Medalists:-Abbreviations:*All results shown are in metres-Records:...	Berlin, Germany	7th	72.17 m