Track specialists Molly Huddle and Sally Kipyego will make their half-marathon debuts on the women's side.
The 28-year-old will use the Rock 'n' Roll New Orleans Half Marathon as a stepping stone to the Rotterdam Marathon.
Former Los Angeles Marathon champion and 2:04 marathoner Markos Geneti of Ethiopia is also part of Sunday's star-studded field.
The two runners could be three time zones away when their favorite baseball team plays.
The fourth-place finisher at the Olympic Marathon leads a strong American contingent.
Abdi Abdirahman prevailed in the men's race.
Brett Gotcher tells Mario Fraioli what it's going to take to make this year's Olympic Marathon team.
The top three finishers in both the men’s and women’s races will represent the United States in the marathon this summer in London.
Brett Gotcher and Nick Arciniaga lead the way on the men's side.