The marathon entry is paid, and my knee will not let me run

Dear Delyara, I have trained for two years to run my first marathon at fifty. I lost weight, stopped smoking, woke before dawn in winter, and built my whole year around one date. Six weeks before the race, I tore cartilage in my knee. The doctor says running could worsen the injury significantly. My coach says defer the entry. Everyone uses sensible words. I hate all of them. This was not only a race. It was the promise I made after my brother died at forty-nine that I would stop postponing things until “someday.” He never reached fifty. I wanted to cross the finish line carrying his photograph. The race organizer has already emailed my bib number. It sits in my inbox like an invitation to a life my body has cancelled. I have begun lying about the pain and testing the knee secretly on short runs. It swells every time. I know what the doctor said. I also know grief has made one finish line feel responsible for proving I did not waste the extra years my brother never received.