At the Every Woman’s Marathon, Deena Kastor, Kathrine Switzer, Molly Huddle, and Des Linden shared with us the worst pieces of marathon advice they’ve gotten, from pushing through pain to taking an ice bath right before a race. The four legendary marathoners even put into perspective how to best approach your training, throwing aside tips that may harm your physical and mental confidence as you prepare to race 26.2 miles.