Jump to:How to Determine Weekly Mileage Goals for a Half MarathonHow to Structure Your Week to Meet Your Goal Half-Marathon Weekly MileageHow to Identify When You Need to Back Off Mileage or Add MoreMarathons often get all the glory, but the half marathon offers a just-as-rewarding goal race. While people often choose the half marathon because training for it won’t take up all your time, it still requires building endurance—whether your goal is just to finish or to hit a big personal best. So while you likely won’t run 20-milers on the weekends (unless you’re an elite!), you’ll still need to get in regular long runs, and substantial weekly mileage, especially if you’re pursuing more advanced goals.According to Kaitlin Goodman, a Seattle-based USATF level 2-certified run coach and former professional runner, one of the biggest reasons someone may choose to target a half instead of a full marathon is because of the shift to lower volume, allowing them to train for the race during a busier season in their…