Registered Dietitian with Mayo Clinic Health System-Mankato Anne Harguth joined KEYC News 12 this Midday with some tips for runners taking part in the Mankato Marathon this weekend. Harguth offered both pre and post-race nutrition tips, as well as advice for whether or not you should eat or drink during the race. You can learn more by the presentation Harguth is giving over Marathon weekend, taking place from 12:30 to 1 p.m. on Saturday, Oct. 21 at the Mankato Marathon Expo in Myers Field House at MSU.