In my city there's an annual fun run which is highly successful in terms of participation - it's one of the largest events in Australia - and EVERY person entering gets a tee shirt. So you see them all over the place.

Although it's marvellous publicity for them, I've found it a bit annoying, because the tees are too hot for me to run in, and I'd much rather not have them. I've been in the run twice, only because my employer has paid entry (I usually go for cheaper running options) so I had two of these tees, and did use them a bit, mostly for cycling to work.

On Friday I rode in but not home, as I was meeting friends in the city after work. When I went to get my clothes from the drying room I discovered there was a cleanout on the weekend, which means everything gets put into some laundry hampers and if you don't pick it up in a few weeks it'll be donated.

All my clothes were in the hampers except, you guessed it, the race tee.
Someone must have mistaken it for theirs and taken it. But since I don't really like them anyway, I'm not at all fussed. (And I just wore my work top home).