Kiprop ran 3:27.72 here last year and after a 1:43.34 800 in Paris two weeks ago, he's ready to take a run at the world record. Can he do it? Will he even win the race? He'll face stiff competition against Ayanleh Souleiman and Silas Kiplagat, while Americans Matt Centrowitz and Leo Manzano look to PR. Plus 18-year-old Kenyan Ronald Kwemoi challenges the world junior record *MB: Will the 1500 World Record be broken in Monaco?