2. fig. A condition of affairs or events of a character opposite to what was, or might naturally be, expected; a contradictory outcome of events as if in mockery of the promise and fitness of things. (In F. ironie du sort.)

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So, right after this post about priorities, I find that I'm prioritizing my schoolwork over running. This is okay with me, since it's really temporary. I have a week left of the madness that is the end of my semester.

It is, however a mockery of the promise of my fitness.

(Definition thanks to the OED)