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Complete 2025 archive
France · Unrated practice
The IPhO 2025 collection
5 official papers. 64 subproblems. All the physics, at your own pace.
40 theory and 24 experimental subproblems, from hydrogen and galaxies to sand craters and Earth’s magnetic field. Browse original figures, work through each part, and compare with official solutions.
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Open to all levels · Rated formatNewton Round #12
A little pressure. A lot of possibility.
Five problems. One ticking clock. Put your physics intuition to the test alongside other curious minds.
90 minutes5 problems186 entrants
orbital is in the field
#1 rankedMasterDemo entrant
All times in UTC
Newton Round #13
Rated
Fields of possibility
Nov 7, 2026 · 16:00 UTC90 min5 problems124
Mechanics Sprint #5
Unrated
Find your momentum
Nov 14, 2026 · 16:00 UTC45 min3 problems78
Your first contest? You belong here.
Start with an unrated sprint or practice a past round at your own pace.
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