March 18 to May 24, 2026

Registration period and preliminary round recording

July 2026

Preliminary round results announced

November 10 and 11, 2026

Semifinal rounds

November 12, 2026

J.S. Bach round

November 14, 2026

Grand Finale of the 87th OSM Competition, followed by the awards ceremony at the Maison symphonique de Montréal.