Manish registered a time of 1 hour, 22 minutes and 22 seconds to take the sixth spot.
Irfan was even more disappointing, clocking 1:27:34 to finish 13th in a field of 15 athletes.
Dane Bird-Smith of Australia claimed the title with a time of 1:19:34. He had to beat off a tough challenge from England's Tom Bosworth who took the silver medal with 1:19:38.
Samuel Ireri Gathimba got the bronze for athletics powerhouse Kenya with a time of 1:19:51.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
