The Brighton youngster looked the stronger entering the final 100 metres .
The experience of Emanuel told as he drew away to win in 3 : 59.66 , just outside the 3 : 59.43 record that Juan Luis Barrios set in 2014 .
The Brighton youngster looked the stronger entering the final 100 metres but the experience of Emanuel told as he drew away to win in 3 : 59.66 , just outside the 3 : 59.43 record that Juan Luis Barrios set in 2014 .