Online Physics
Olympiad
An annual team-based physics competition for high school students and undergraduates of all levels. Teams of up to three compete in a single round featuring a variety of problem styles.
LATEST
New Dates & Format for 2026
The 2026 contest now runs August 21–23 as a single round with short answer, long answer, and simulation experiment problems. Register your team now!
Aug 21–23
2026 CONTEST
10,000+
COMPETITORS SINCE 2020
80+
COUNTRIES
≤3
STUDENTS PER TEAM
DASHBOARD
Navigate the OPhO Platform
PORTAL
Contest Portal
Manage your team and submit answers during the contest window.
RESULTS
Leaderboard
Final team standings for the 2026 contest, now published.
SINCE 2020
Past Competitions
Standings, stats, papers, and solutions from every OPhO contest.
PEOPLE
Our Team
Meet the olympiad medalists and developers behind OPhO.
SPONSORS
Our Partners
FAQ