Question: Louise Wiker is a Swedish long-distance runner, she competed in the marathon event at the fifteenth edition of the IAAF World Championships, was held 22–30 August 2015 in Beijing, China, event title?

Context paragraphs:
José Carlos Adán: José Carlos Adán (born 22 July 1967, in Vigo) is a retired Spanish long-distance runner who specialized in cross-country running.  He was twice a team bronze medallist at the IAAF World Cross Country Championships and his highest individual placing was 18th, achieved in 1995.  In total, he made twelve appearances at the competition, from 1986 to 2002.  He also represented his country at the 1993 World Championships in Athletics, placing 16th in the 10,000 metres, and at the 1992 Barcelona Olympics, being eliminated in the 10,000 m heats.  He twice competed at the IAAF World Half Marathon Championships (1997 and 2001).

Clara Canchanya: Clara Canchanya (born 30 August 1982) is a Peruvian long-distance runner.  She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.

Rizoneide Vanderlei: Rizoneide Vanderlei, surname also referenced as Wanderlei or Wanderley, (born December 16, 1966) is a former Brazilian long-distance runner.  Vanderlei competed in the 1997 IAAF World Cross Country Championships, 1995 IAAF World Half Marathon Championships, and the 1995 IAAF World Half Marathon Championships.

Louise Wiker: Louise Wiker (born 1 January 1979) is a Swedish long-distance runner.  She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.

2015 World Championships in Athletics: The fifteenth edition of the IAAF World Championships was held 22–30 August 2015 in Beijing, China.  43 nations won medals, 144 of which were awarded.  Kenya topped the medal table for the first time, with 7 gold, 6 silver and 3 bronze medals.  The United States won 18 medals, six gold, six silver and six bronze, which was the highest tally.  Host nation China, finished 11th on the medals table, while Russia finished ninth.

Charlotte Karlsson: Charlotte Karlsson (born 18 August 1984) is a Swedish long-distance runner.  She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.

Niluka Geethani Rajasekara: Bogaha Kotuwe Gedara Niluka Geethani Rajasekara (born 17 March 1982) is a female Sri Lankan long-distance runner.  With a time of 2 hours 40.07 minutes, and a new Sri Lankan record, at the 2015 Hong Kong marathon, Rajasekara achieved the qualifying standard for the marathon at the 2016 Summer Olympics.  She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China, finishing 49th.

Dario Fegatelli: Dario Fegatelli (born 28 August 1969) is a former Italian male long-distance runner who competed at one edition of the IAAF World Cross Country Championships at senior level (1993) and one of the IAAF World Half Marathon Championships (1996).

Annelie Johansson: Annelie Johansson (born 21 December 1978) is a Swedish long-distance runner.  She competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.

Lemi Berhanu Hayle: Lemi Berhanu Hayle, also known as Berhanu Lemi, (Amharic: ለሚ ብርሃኑ ኃይሌ ; born 13 September 1994) is an Ethiopian long-distance runner who specialises in the marathon.  He competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China, placing 15th.  His personal best of 2:04:33 hours, set in 2015, ranks him in the world's top 15 athletes for the distance (as of 2016).  In April 2016, he won the Boston Marathon.

Supporting paragraphs: Louise Wiker 2015 World Championships in Athletics
Answer: 2015 World Championships in Athletics