It’s time for the Oregon Winter Half Marathon/Quarter Marathon/5K to kick off Uberthons’ annual quartet of seasonal races! For those who haven’t followed the Uberthons events, each seasonal race offers a half marathon and quarter marathon distance options, and the summer one includes a full marathon, while the other three also include a 5K option; and each takes place in a different part of Oregon (though all within about 30-40 minutes of Portland). The Winter…