If you haven't gotten rid of those shoes by Saturday, might I suggest dropping them off at
Free Ride. You can get them out of your house for good, and be more or less guaranteed that if someone wants them, they'll be put to good use.
(Side note: we have a small bin with several pairs of bike shoes in our shop. The shoes are located by the vertical support beam just inside the front entrance. (other side note: there's also a small assortment of clothing including a Continental jersey/shirt. And we've been known to receive bib short donations from time to time, but I digress.))
If Saturday doesn't work, you can always put them in the bicycle donation bin at
Construction Junction any time they're open.