# Mathematics Olympiads in Chile and Colombia > Live situation record from CLSTR: https://clstr.news/situations/mathematics-olympiads-in-chile-and-colombia > Updated: 2026-10-22T16:08:25.000Z. Sources: 8. Developments: 2. Mathematics competitions involving various educational institutions have been held across Chile and Colombia. In Chile, the University of Bío-Bío hosted the 15th Inter-school Mathematics Olympiad, which recorded 2,523 participants from 82 schools across the Maule, Ñuble, Biobío, and Araucanía regions. Additionally, two students from the Magallanes region qualified for the national final of the 38th Mathematics Olympiad organized by the Mathematical Society of Chile (Somachi). Separately, the Universidad Técnica Federico Santa María hosted its Mathematics School Olympiads, involving over 600 students from the Valparaíso, Vitacura, and San Joaquín campuses. In Colombia, the Universidad de Antioquia organized the 2026 UdeA Mathematics Olympiads, a competition involving approximately 110,000 students from nearly 900 institutions nationwide. The event included students qualifying for the final stage, such as Ingrith Dayana Castiblanco Rojas from the Institución Educativa de Sora. ## Timeline ### 2026-10-22: Mathematics Olympiads held by universities in Colombia and Chile Students in Colombia and Chile are participating in university-led mathematics competitions, including the UdeA Olympiads and USM's school olympiads, to promote STEM engagement. 6 sources. https://clstr.news/cluster/mathematics-olympiads-held-by-universities-in-colombia-and-chile ### 2026-10-20: Mathematics Olympiads draw significant participation in Chile Chilean mathematics competitions see high engagement, with the UBB Olympiad reaching record participation and Magallanes students qualifying for the national Somachi finals. 2 sources. https://clstr.news/cluster/mathematics-olympiads-draw-significant-participation-in-chile --- Cite as: Mathematics Olympiads in Chile and Colombia. CLSTR, https://clstr.news/situations/mathematics-olympiads-in-chile-and-colombia