According to Beliefnet:
In contrast to last year's gala celebrations of his quarter-century in office, which included a twilight Mass at the exact hour of John Paul's election, a consistory to create new cardinals and the beatification of Mother Teresa, the 26th anniversary is a low-key event.
The Red Army Chorus will give a concert in the pope's honor in the Paul VI Audience Hall on Friday night, but Saturday will be a regular working day.
John Paul has been promised at least one 26th anniversary present, however -- a 1:5 scale model of the fire-engine red Ferrari F2004 Formula 1 racer that is in line to win both the constructors' and drivers' championships again this year.
Read more: Ailing Pope to Quietly Celebrate 26th Anniversary