Mary Bonner Dalton, a Notre Dame-bound senior at Myers Park High in North Carolina, finished fourth in the women's Under-20 6-kilometer final by clocking 20:46.7 at the USATF Cross Country Championships at Pole Green Park in Mechanicsville, Va. Dalton is eligible to represent the U.S. on March 30 at the World Athletics U20 Cross Country Championships in Belgrade, Serbia.