Jaan Kalda's freely distributed handouts on physics problem-solving techniques for olympiad preparation.
The 2026 International Physics Olympiad website hosts competition problems, rules, and study materials for the world's premier high-school physics competition.
Official IPhO 2025 site with competition problems, solutions, and regulations.
Physics Cup is an online physics competition for secondary and university students with difficult short-answer problems designed to be harder than traditional olympiads.
International Junior Science Olympiad archive with mixed-subject problems including physics.
Archive of Physics and Mathematics Olympiad results announcements.
Archive of past problems from the International Young Physicists Tournament with solutions.
Hong Kong Physics Olympiad run by HKUST with competition information and past problems.
Nordic-Baltic Physics Olympiad with past problems and results for Nordic and Baltic countries.
Official problems and solutions from the 2021 International Physics Olympiad held in Lithuania.
Official problems and solutions from the 2013 International Physics Olympiad held in Denmark.
Official problems, solutions, and regulations from the 2022 International Physics Olympiad competition.
British Physics Olympiad archive with past papers and free official solutions.
Kalda's olympiad problem handouts and materials for advanced secondary students.
Archive of Asian Physics Olympiad competition problems and solutions.
Singapore Physics League community resource providing olympiad and competition preparation materials.
International physics community with olympiad problems and educational resources.
International Olympiad on Astronomy and Astrophysics with past problems, solutions, and country rankings.
Kevin Zhou's handouts on olympiad physics topics with problem walkthroughs.
Complete Round 1 and 2 papers from the British Physics Olympiad with official worked solutions.
Free PDF archive of gifted school olympiad rounds with answer keys.
Aggregated physics and science olympiad problems and resources.
Russian site with physics olympiad problems, international competitions, and national team selection stages.
Archive of physics and mathematics problems from the Kurchatov olympiad competition.
Beyond Curriculum Foundation collects Republican and international olympiad physics problems with solutions.
Daryn center; Kazakhstan state gifted-education institution with annual olympiad problems and official solutions.
Solutions to Savchenko's Russian physics olympiad problem book.
Blog hosting solved problems from State Physics Olympiad previous rounds.
Archive of worked solutions (розв'язки) for the All-Ukrainian Internet Olympiad, current through 2024–25.
Swiss Physics Olympiad bilingual archive of German-language cross-border exams with solutions.
Physics olympiad problems and materials for Russian competition participants.
Bulgarian association providing physics olympiad resources and materials for national teams.
FYKOS Fyziklani: Czech team physics contest with archived problems and solutions.
Physics Brawl Online: Czech team physics competition with problems and scoring.
Chinese Physical Society site hosting national physics olympiad problems, solutions, and international competition papers from 2013–2025.
German collection of 100 olympiad-style physics problems with explanations, designed to develop problem-solving thinking.
Bulgarian Ministry of Education's free physics olympiad problems and preparation materials.
Fyziklani team physics contest by Charles University's physics faculty, with online problem sets.
Archive of Turkish physics olympiad (Birinci Aşama) exams and solutions from 1985 to 2026.
Indonesian science olympiad problems with solutions and answer keys.
Free Indonesian national science competition physics problems with solutions and answer keys.
Training organization for the Indonesian national physics olympiad team and APhO preparation, led by Yohanes Surya.
Vietnamese national HSG QG physics competition papers with official answer keys.
Problem archive for the physics olympiad in Saxony-Anhalt, Germany.
Free downloadable physics competition study materials, question banks with worked explanations, and mock exams.
Archive of Iranian Physics Olympiad rounds 1–2 (theory and lab), summer camp, and international round problems with answer keys.