Christian Coleman admitted Friday to being more focused on safely negotiating the notoriously tough US trials than the actual Paris Olympics, where he hopes he will bid for a sprint double.- Once in a lifetime - Coleman admitted that competing in an Olympic year felt "a little different because you know the magnitude of it".
Cairess came sixth on his London Marathon debut last year, producing the best finish for a home athlete.
Kenyan long-distance runner Kiptum won last year’s London Marathon for the third time, but was killed in a car accident in February at the age of 24.