School stu­dents of grades 5–11 from Rus­sia and of equi­val­ent grades from all over the world are invited to participate.
Par­ti­cip­a­tion in the com­pet­i­tion is free. All school stu­dents can take part in the qual­i­fy­ing round and the win­ners of it are invited to the final round. Win­ners of the pre­vi­ous Olympi­ad (with dip­lo­mas of any degree) are also invited dir­ectly to the finals.

Olympiad’s organ­izers

The Olympi­ad 2025/26 is organ­ized by

Saint Peters­burg Elec­tro­tech­nic­al Uni­ver­sity «LETI»

RANEPA

Balt­ic State Tech­nic­al Uni­ver­sity ‘Voen­meh’ named after D. F. Ustinov

Con­tact us

You can send your ques­tions by e‑mail olimp@​formulo.​org.

Chronology of events

The res­ults of the assess­ment have appeared in your per­son­al account. We are also attach­ing the solu­tions and assess­ment cri­ter­ia for the Olympiad.

• Rus­si­an
• Eng­lish

If you would like to see a scan of your work for fur­ther appeal, please request a scan of your work by mail no later than April 22. After this, if you dis­agree with any of the scores, you can sub­mit an appeal with­in two days of receiv­ing the scans in your per­son­al account (spe­cify­ing the prob­lem num­bers and the reas­ons why you believe the score should be revised).

You can request your work from the jury by email solv@​formulo.​org (requests sent via the organ­iz­ing com­mit­tee’s email will not be con­sidered). In the sub­ject line, write «Work Request»; in the email itself, please include the region of par­ti­cip­a­tion, class, and par­ti­cipant code. Without this inform­a­tion, your work will not be sent. We will send you your work by email with­in approx­im­ately 24 hours of your request.

Dear par­ti­cipants!

Regis­tra­tion is now open for the final stage of the Olympi­ad, which will take place on March 9 from 10:00 AM to 2:00 PM loc­al time. (Times may vary in some regions; exact inform­a­tion can be found in the list of ven­ues in your per­son­al account. The time in the inform­a­tion sys­tem is Moscow time. We recom­mend check­ing the inform­a­tion a couple of days before the Olympi­ad, as the organ­izers may adjust the start time.)

To select a ven­ue in your per­son­al account:

1. Go to the «Olympi­ads» section.
2. Find the «Math­em­at­ics 2025–26» Olympi­ad in the table of Olympiads.
3. Click the green «Open» but­ton under the words «Final Stage» next to your class.
4. Check the box next to the appro­pri­ate ven­ue. This is suf­fi­cient; you don’t need to do any­thing else.

If you haven’t fully entered the per­son­al inform­a­tion required for par­ti­cip­a­tion, the sys­tem will prompt you to do so.

You will see your par­ti­cipant code at the top of the site list page; write it down and take it with you to the Olympi­ad. The code must be indic­ated on every page of your Olympi­ad paper. We also recom­mend writ­ing down the organ­izer­’s phone num­ber (it’s in the site description).

We recom­mend arriv­ing at the selec­ted site 10–15 minutes before the sched­uled time to find the right room. You must bring an iden­ti­fic­a­tion doc­u­ment and a blank A4 sheet of paper. The use of phones and oth­er com­mu­nic­a­tion devices is pro­hib­ited dur­ing the Olympiad.

Regis­tra­tion will be open until March 5, 2026.

Dear par­ti­cipants!

Indi­vidu­al res­ults are avail­able in per­son­al accounts of our Inform­a­tion sys­tem. The par­ti­cipants who reached the threshold score will be invited to the final round.

And in the pro­tocol of the qual­i­fy­ing round:

• Pro­tocol of the qual­i­fy­ing round 

If you do not see your­self in the pro­tocol, this means that you have not yet filled out the neces­sary per­son­al data in your per­son­al account.
The points for passing to the final round by class are as follows:

Fol­low the updates on the website.

Organ­iz­ing com­mit­tee address: olimp@​formulo.​org.

Con­grat­u­la­tions to the final­ists and see you at the final stage!

Dear par­ti­cipants!

Please note that the final stage of the Olympi­ad will take place on March 9.

Inform­a­tion about the ven­ues and the regis­tra­tion link will be pub­lished later. Please stay tuned to the offi­cial resources for updates on import­ant news.

We wish you good luck in your pre­par­a­tions and look for­ward to see­ing you at the finals!

Dear par­ti­cipants!
The pre­lim­in­ary res­ults of the qual­i­fy­ing round are now avail­able. You can view them in your per­son­al account.

You can file an appeal in your per­son­al account (the appeal dead­line is 11:59 PM Moscow time on Janu­ary 13th). Appeals are accep­ted only in your per­son­al account. The jury’s response to your request will be pos­ted there with­in a few days after your request is submitted.

The sum­mary res­ults table and passing scores will be pub­lished after all appeals have been processed.

We attach files with solu­tions to the problems:

• Solu­tions in Russian
• Solu­tions in English

The date for the final is cur­rently being determined.

Here is the qual­i­fy­ing (remote) round of the competition.

Please remem­ber that your solu­tion of every prob­lem should include not only the right answer, but the full reas­on­ing as well.

We will be happy if your friends who like math­em­at­ics also par­ti­cip­ate. How­ever, every assign­ment should be done indi­vidu­ally; oth­er­wise, your sub­mis­sion will not be considered.

You do not need to repeat the text of the prob­lems in your paper. The solu­tions should be writ­ten in Rus­si­an, Eng­lish, Por­tuguese, Ger­man, Uzbek, Turk­ish, Esper­anto, Farsi or French. Use of oth­er lan­guages should be agreed with the organ­izers in advance.

Prob­lems

• Rus­si­an
• Eng­lish
• Turk­ish

• Por­tuguese
• Kaza­kh

How to sub­mit solutions

To par­ti­cip­ate in the «For­mula of Unity» / «Third Mil­len­ni­um» 2025/26 math­em­at­ics olympi­ad, it is neces­sary to sub­mit solu­tion files (each prob­lem in a sep­ar­ate file) by the dead­line of 23:59:59 UTC on Novem­ber 5, 2025 (which is 02:59:59 Moscow time on Novem­ber 6). Please register in our inform­a­tion sys­tem and sub­mit your solu­tions through the per­son­al account. Import­ant: if you already have an account, there is no need to cre­ate a new one.

Be sure to read the par­ti­cip­a­tion instructions.

• Inform­a­tion system 
• Par­ti­cip­a­tion Instructions 
• Match­ing grades 

You can upload either text files (in TXT, DOC, DOCX, or PDF formats) or scans of paper works (in JPG and PNG formats). Each prob­lem should be uploaded under its cor­res­pond­ing num­ber with­in the per­son­al account! In the solu­tion files, per­son­al inform­a­tion, includ­ing sur­name and name, should not be specified!

We do not accept qual­i­fy­ing round works in any way oth­er than through upload­ing with­in the inform­a­tion system.

Ques­tions?

All ques­tions to the Organ­iz­ing Com­mit­tee about the prob­lem con­di­tions and the pro­ced­ure for con­duct­ing the Olympi­ad can be asked by email olimp@​formulo.​org

Ques­tions about the oper­a­tion of the inform­a­tion sys­tem can be asked by email isys@​formulo.​org.

The Olympi­ad is held in two stages: the first (qual­i­fy­ing) stage takes place in autumn, and the second (final) stage — in February–March.

The qual­i­fy­ing stage is con­duc­ted in a dis­tance format using remote edu­ca­tion­al tech­no­lo­gies. To par­ti­cip­ate, you need to register in your per­son­al account (there is no need to re-register). On the start date of the Olympi­ad, all neces­sary inform­a­tion will be sent to your email. The Olympi­ad itself, the con­di­tions, and the answer sub­mis­sion form will be avail­able in your per­son­al account start­ing from the begin­ning date of the Olympiad.

Dates of the dis­tance stage of the Olympi­ad: Octo­ber 15, 2025 — Novem­ber 5, 2025

The final stage is usu­ally held in a face-to-face format at region­al venues.

Win­ners of the Olympi­ad receive pref­er­en­tial vouch­ers to the “For­mula of Unity” edu­ca­tion­al camps.

The Olympi­ad is included in the List of School Olympi­ads of the Min­istry of Edu­ca­tion and Sci­ence of the Rus­si­an Federation:
annu­ally since 2014/15.

The Olympi­ad is held in two stages, the first (qual­i­fy­ing) in the fall, and the second (final) in February-March.

The qual­i­fy­ing stage is con­duc­ted remotely using dis­tance learn­ing tech­no­lo­gies. To par­ti­cip­ate, please register in your per­son­al account (re-regis­tra­tion is not neces­sary). On the day of the Olympi­ad, all neces­sary inform­a­tion will be sent by email. The Olympi­ad itself, the rules, and the answer form will be avail­able in your per­son­al account start­ing from the day of the Olympiad.

Dates for the cor­res­pond­ence stage of the Olympiad:
Math­em­at­ics: Octo­ber 15, 2025 – Novem­ber 5, 2025

The final stage is usu­ally held in per­son at region­al venues.
Olympi­ad win­ners receive dis­coun­ted vouch­ers to the For­mula Unity edu­ca­tion­al camps.
All inform­a­tion about the Olympi­ad can also be found on the offi­cial page on the olimpi​ada​.ru portal.

For more suc­cess­ful par­ti­cip­a­tion in the Olympi­ad, we recom­mend solv­ing prob­lems from pre­vi­ous years and study­ing the recom­men­ded lit­er­at­ure.