Brooks Cascadias / Today's Run

Today I ran an easy 5 miles on a local trail (where I did my hill training for my 5k a couple of months ago). I wore a pair of 2008 Brooks Cascadias, given to me by my friend Arthur. They're still in pretty good shape, with little evidence of wear. Not sure how many miles he put on them before passing them on to me. They felt good on my feet, but my knees felt a little sore by the end of the run (the soreness subsided soon after I finished). The soreness may be due to back-to-back runs after not running much the last several weeks. Anyway, the shoes felt light, very neutral and more "minimal" than I expected. They didn't feel like they had as much cushioning as my regular training shoe (Brooks Defyance 2). Just one run in the Cascadias isn't enough to make a good judgment, but I think I'll end up wearing them at least once a week (probably only on trails), just to mix things up.