Mo Farah smashed the British Half Marathon record by 20 seconds . The GB runner is the first European athlete to run 13.1 miles in under an hour . Farah has a record of four wins in six races in this special event .
Mo Farah smashed the European Half Marathon record by 20 seconds . The GB runner is the first British athlete to run 13.1 miles in under an hour . Farah has a record of four wins in six races in this special event .