Radiant Runner Shoes Marathon Prep Feed Campaign

Capture radiant runner shoes marathon prep feed campaign: a social creative direction that makes radiant runner shoes easy to notice in a busy feed. Begin with running shoes on track lanes with training notes, hydration bottle, and race bib and make performance shoe profile on track lines the main visual anchor. Place the exact headline RADIANT MARATHON PREP in clean typography, then add secondary copy for train for race day. Visual style should be performance running product photography, with race red, black, white, and electric yellow and careful contrast for mobile readability. The layout should use a square feed campaign with shoe hero, training benefit, race countdown, and shop cta. Add authentic details such as shoe tread close-up, pace chart, lace detail, and marathon bib number so the prompt has a real campaign purpose and a natural posting context.