Spanning 10 years, Jessica's achievements make her one of Great Britain's most decorated athletes.
June, 1999 - The journey begins
After meeting Toni Minichiello, who would go on to become her longstanding coach, Jessica starts to compete in junior athletics.
March, 2006 - In the medals
In first senior championships, Jessica wins a brilliant bronze at the Melbourne Commonwealth Games.
May, 2007 - Record breaker
Jessica breaks the British under-23 heptathlon record set by Denise Lewis in 1994. In doing so, she jumps 1.95m to equal the British high jump record for women.
June, 2008 - Olympic heartbreak
Injury forces Jessica to withdraw from the Olympic Games. Scans reveal broken bones in her right foot that mean she cannot compete in Beijing.
August, 2009 - World Champion
Jessica wins heptathlon gold at the World Championships in Berlin with a new lifetime best of 6731 points, putting her second behind Lewis on the British all-time list.
December, 2009 - Wider recognition
Jessica comes third in the BBC Sports Personality of the Year award and is named Sportswoman of the Year by the British Sports Journalists' Association.
March, 2010 - Indoor success
With a new British and Championship record of 4937 points, Jessica wins pentathlon gold at the World Indoor Championships in Doha.
July, 2010 - Best in Europe
Jessica wins gold again in the heptathlon at the European Championships, Barcelona. She sets a new personal best of 6823 points.
June, 2011 - Honoured
In recognition of her sporting achievements, Jessica is included in the Queen's Birthday Honours list and appointed an MBE.
August, 2011 - Silver to gold
World Champion again! After finishing second behind the Russion athelte, Tatyana Chernova in Daegu at the World Championships, Jessica's medal is later upgraded to gold.
May, 2012 - Rule Britannia
Jessica breaks Denise Lewis's British heptahlon record in Gotzis by racking up a total of 6906 points.
“I was so shocked after winning - the sheer relief was mixed with a sense of total disbelief! I had actually won - all the hard work and the ups and downs had finally paid off. I had won gold!”
August, 2012 - Super Saturday
Jessica takes heptathlon gold at the Olympics in London, sets a new personal best with 6955 points, and becomes a sporting legend in front of her home crowd.
September, 2012 - Pride of Sheffield
Jesscia is awarded the Freedom of the City of Sheffield and a city centre postbox is painted gold in recognition of her Olympic success.
December, 2012 - Second at SPOTY
Jessica finishes behind Bradley Wiggins and above Andy Murray at the BBC Sports Personality of the Year awards – her third appearance in the top three.
December, 2012 - Back to the Palace
Jessica receives a CBE for her services to athletics in the Queen's New Year Honours List.
May, 2013 - Wedding bells
In a gorgeous Derbyshire wedding, Jessica marries Andy, her childhood sweetheart. She changes her name to Jessica Ennis-Hill.
January, 2014 - All change
After announcing she is pregnant, Jessica confirms that she will not compete at the Commonwealth Games in Glasgow.
July, 2014 - Reggie arrives
Jessica gives birth to a beautiful baby boy called Reggie and begins an exciting new phase of her life.
August, 2015 - Golden comeback
On her return to athletics, Jessica wins another world championship, triumphing with a score of 6669 points in Beijing.
August, 2016 - Rio Olympics
In what would be her final major competition, Jessica claims heptathlon silver at the Rio Olympics, just 35 points off gold.
October, 2016 - End of an era
Jessica announces her retirement from athletics. She says she always wanted to leave the sport on a high, has no regrets and leaves with "amazing memories".