Hassan took out completely and spit in connection with the finish where he had a strong other half.
Halfway he was in 38th place in 1.02.42 (personal record of 1.01.56 when he only ran the half march).
While Hassan was taken care of by officials, the double Olympic champion (5,000 and 10,000 meters) ran Joshua Chetegei in goal of 2.05.56
Ethiopian Tadee takele won at 2.03.22.
Hassan also went under the World Athletics tough qualifying limit of 2.06.30 to the World Cup this fall – which will also be held in Tokyo.
Hassan’s previous Swedish record was 2.07.36 from Seville last year.