4-Week Pre-Season Nutrition Checklist for XC Runners TL;DR Card - Start lab planning 6 weeks pre-season: ferritin + CBC. - Practice race fueling before races arrive. - Build hydration baseline now, not in August panic mode. - Set up locker and practice-bag snacks before first hard week. - At 7,100 ft, iron and hydration are non-negotiables. Who This Is For Adolescent XC runners, parents, and coaches who want a clean plan before season starts. This checklist is built fo...

4-Week Pre-Season Nutrition Checklist for XC Runners TL;DR Card - Start lab planning 6 weeks pre-season: ferritin + CBC. - Practice race fueling before races arrive. - Build hydration baseline now, not in August panic mode. - Set up locker and practice-bag snacks before first hard week. - At 7,100 ft, iron and hydration are non-negotiables. Who This Is For Adolescent XC runners, parents, and coaches who want a clean plan before season starts. This checklist is built fo...