When you buy something using the retail links in our stories, we may earn a small commission. Outside does not accept money for editorial gear reviews. Read more about our policy. If your running shorts aren’t comfortable, you’ll notice it pretty quickly: they’ll chafe, they’ll sag, they’ll ride up. It’s enough to turn a fun jaunt into a nuisance and a long run into a much shorter one. Contrary to popular belief, everyone can wear running shorts—it’s just a matter of finding the ones that fit your body.  After two months of testing more than 30 models from ten companies over some 400 miles, four other women and I found that choosing a single best pair of shorts was nearly impossible—it’s too subjective. But we did find a handful of favorites that work well for different body shapes and preferences.  I’ve been running somewhat seriously for the last decade, from road marathons to 100-milers, and I’ve been informally judging shorts over thousands of miles of training. For this test, I covered a couple hundred miles a month for two months, running almost every day (and sometimes twice a day). I also enlisted four friends—marathoners and trail runners alike—to get an idea of what wo...