Nonetheless , it was an immense World Best performance .
Nonetheless , it suggests the WR ( 2 : 03 : 59 held by Haile Gebrselassie of Ethiopia ) is within Mutai 's reach on a certified course .
Nonetheless , it was an immense World Best performance and suggests the WR ( 2 : 03 : 59 held by Haile Gebrselassie of Ethiopia ) is within Mutai 's reach on a certified course .