When the world championships of track and field begin next month in London, there will be a few extra medal ceremonies.

Eleven athletes and five teams whose results from past world championships have been upgraded because of doping violations will receive their new medals, the International Association of Athletics Federations, the governing body of track and field, said on Wednesday.

Jessica Ennis-Hill, a heptathlete from Britain, and a women’s 4x400 relay team from the United States will receive gold medals and the full flag and anthem treatment.

Ennis-Hill placed second in 2011 behind Tatyana Chernova of Russia, who was suspended for doping in 2013. The United States women ran second behind Russia in 2013. Russia was disqualified from that race this year after one of its athletes, Antonina Krivoshapka, tested positive.