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      Rheinhardt Harrison, 10, record run rejected by the Association of Road Racing Statisticians as a world record

      (WJLA) - Ten-year-old Rheinhardt Harrison will have to settle for holding only one world record as the Association of Road Racing Statisticians has rejected his recent run as a world record time.

      Rheinhardt Harrison, a fourth grader at Thomas Jefferson Elementary School, was thought to have broken the world record for fastest half-marathon run by a 10-year-old last week.

      However, the association said the Alexandria course where Harrison ran was altered after its length was certified and could not count, according to the Washington Post.

      Additionally, a 10-year-old from Texas already set a new record for 10-year-olds over the weekend. Hunter Perez, of Austin, beat Harrison's time of 1:35:02 with a time of 1:34:53.

      Read more at the Washington Post.