The 57th IMO held at Hong Kong University of Science and Technology was a resounding success with a record 109 competing countries and 602 competitors. It was pleasing to see an increase in the number of female competitors with 71 girls competing this year. Six students attained a perfect score of 42 with 44 students awarded a Gold medal for scores of 29 or above, placing them in the top 7% of the competitors. The leading team was the US, for the second year in a row, placing just ahead of the Republic of Korea and China. Full results are available on the official IMO site.