Hot Weather Racing for HS Track & XC The Heat Challenge Early-season XC (August/September) and late-season outdoor track (May/June) often mean racing in 80°F+ heat. Heat significantly increases your nutrition and hydration needs — and HS athletes are especially vulnerable because of school schedules and limited access to fluids during the day. --- How Heat Affects Your Body - Sweat rate increases — you lose more fluid and electrolytes - Core temperature rises — blood diverts...

Hot Weather Racing for HS Track & XC The Heat Challenge Early-season XC (August/September) and late-season outdoor track (May/June) often mean racing in 80°F+ heat. Heat significantly increases your nutrition and hydration needs — and HS athletes are especially vulnerable because of school schedules and limited access to fluids during the day. --- How Heat Affects Your Body - Sweat rate increases — you lose more fluid and electrolytes - Core temperature rises — blood diverts...