| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | Yuliya Yefimova - Olympic and World Championship results |  |  |  |  |  |
| 3 | Year | Competition | Venue | Position | Event | Notes |
| 4 | Representing Russia | Representing Russia | Representing Russia | Representing Russia | Representing Russia | Representing Russia |
| 5 | 2008 | Olympic Games | Beijing, China | 4th | 100 m breaststroke | 1:07.43 |
| 6 | 2008 | Olympic Games | Beijing, China | 5th | 200 m breaststroke | 2:23.76 |
| 7 | 2008 | Olympic Games | Beijing, China | 5th | 4 × 100 m medley relay | 3:57.84 |
| 8 | 2009 | World Championships | Rome, Italy | 1st | 50 m breaststroke | 30.09 |
| 9 | 2009 | World Championships | Rome, Italy | 2nd | 100 m breaststroke | 1:05.41 |
| 10 | 2009 | World Championships | Rome, Italy | 14th (sf) | 200 m breaststroke | 2:26.39 |
| 11 | 2011 | World Championships | Shanghai, China | 2nd | 50 m breaststroke | 30.49 |
| 12 | 2011 | World Championships | Shanghai, China | 4th | 100 m breaststroke | 1:06.56 |
| 13 | 2011 | World Championships | Shanghai, China | 2nd | 200 m breaststroke | 2:22.22 |
| 14 | 2011 | World Championships | Shanghai, China | 4th | 4 × 100 m medley relay | 3:57.38 |
| 15 | 2012 | Olympic Games | London, United Kingdom | 7th | 100 m breaststroke | 1:06.98 |
| 16 | 2012 | Olympic Games | London, United Kingdom | 3rd | 200 m breaststroke | 2:20.92 |
| 17 | 2012 | Olympic Games | London, United Kingdom | 4th | 4 × 100 m medley relay | 3:56.03 |
| 18 | 2013 | World Championships | Barcelona, Spain | 1st | 50 m breaststroke | 29.52 |
| 19 | 2013 | World Championships | Barcelona, Spain | 2nd | 100 m breaststroke | 1:05.02 |
| 20 | 2013 | World Championships | Barcelona, Spain | 1st | 200 m breaststroke | 2:19.41 |
| 21 | 2013 | World Championships | Barcelona, Spain | 3rd | 4 × 100 m medley relay | 3:56.47 |
| 22 | 2015 | World Championships | Kazan, Russia | 3rd | 50 m breaststroke | 30.13 |
| 23 | 2015 | World Championships | Kazan, Russia | 1st | 100 m breaststroke | 1:05.66 |
| 24 | 2015 | World Championships | Kazan, Russia | 17th (h) | 200 m breaststroke | 2:26.11 |
| 25 | 2015 | World Championships | Kazan, Russia | 5th | 4 × 100 m mixed medley relay | 3:44.83 |
| 26 | 2016 | Olympic Games | Rio de Janeiro, Brazil | 2nd | 100 m breaststroke | 1:05.50 |
| 27 | 2016 | Olympic Games | Rio de Janeiro, Brazil | 2nd | 200 m breaststroke | 2:21.97 |
| 28 | 2016 | Olympic Games | Rio de Janeiro, Brazil | 6th | 4 × 100 m medley relay | 3:55.66 |
| 29 | 2017 | World Championships | Budapest, Hungary | 2nd | 50 m breaststroke | 29.57 |
| 30 | 2017 | World Championships | Budapest, Hungary | 3rd | 100 m breaststroke | 1:05.05 |
| 31 | 2017 | World Championships | Budapest, Hungary | 1st | 200 m breaststroke | 2:19.64 |
| 32 | 2017 | World Championships | Budapest, Hungary | 14th (sf) | 200 m individual medley | 2:12.88 |
| 33 | 2017 | World Championships | Budapest, Hungary | 2nd | 4 × 100 m medley relay | 3:53.38 |
| 34 | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) | (#) Indicates overall position achieved in the qualifying heats (h) or semifinals (sf) |

Question: What's Yefimova's best achievement in 2015?
Answer: In 2015 Yefimova won the gold medal in 100 m at the World Championships in 1:05.66.