Specifically, the 2 Gold Medals belonged to Vo Trong Khai (grade 12, Phan Boi Chau High School for the Gifted, Nghe An) and Tran Minh Hoang (grade 12 Math 1, Ha Tinh High School for the Gifted). Notably, both male students who won these Gold Medals are from the same hometown in Ha Tinh , and studied in the same class in middle school (grade 9E, Nguyen Trai Middle School, Ha Tinh ).
The 3 Silver Medals went to Nguyen Dang Dung (grade 12, High School for Gifted Students in Natural Sciences, VNU); Nguyen Dinh Tung (grade 11, High School for Gifted Students in Natural Sciences, VNU) and Le Phan Duc Man (grade 12, Le Hong Phong High School for Gifted Students, HCMC).
The only female student of the team, Truong Thanh Xuan (grade 11, Bac Ninh High School for the Gifted), won the Bronze Medal.
With a total score of 188, the Vietnamese delegation ranked 9th out of 113 countries and territories participating in this year's competition, behind the delegations of China (1), the US (2), South Korea (3), Poland and Japan tied for 4th place, Israel (6), India (7), Singapore (8).
Compared to the results in 2024 (2 Silver Medals, 3 Bronze Medals and 1 Certificate of Merit), the achievements of the Vietnamese delegation in 2025 have clearly surpassed.
The 66th International Mathematical Olympiad was held from July 10-20 in Sunshine Coast, Queensland, Australia, with the participation of more than 639 contestants from 113 delegations representing countries and territories. The total number of medals in this year's competition includes: 72 Gold Medals, 104 Silver Medals and 145 Bronze Medals.
The IMO 2025 exam consists of 6 problems: 2 arithmetic problems, 2 combinatorial problems, 1 geometry problem and 1 algebra problem (with combinatorial statements and combinatorial thinking requirements). This shows the trend of this year's exam focusing on combinatorial content.
Notably, the only geometry problem in the exam, problem number 2, was proposed by Vietnam and authored by Mr. Tran Quang Hung, a teacher at the High School for Gifted Students in Natural Sciences, VNU. This is the fourth time Vietnam has had a problem selected for the official exam of IMO, after 1977 (author: Phan Duc Chinh), 1982 (author: Van Nhu Cuong) and 1987 (author: Nguyen Minh Duc).
The closing ceremony and awards ceremony of the competition will take place at 4:00 p.m. on July 19 (local time) in Australia.
Source: https://vietnamnet.vn/hoc-sinh-viet-nam-gianh-2-huy-chuong-vang-olympic-toan-quoc-te-nam-2025-2423401.html
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