The details are here:
If it was a track race, I would probably say no for logistics reasons, but for a road race there are far more positive than negatives. On the women's side, I already thought the U.S. standard was weak compared to the men. If they make is slower, an NCAA XC all-American can jump into a half and probably qualify without any specific marathon training. This is an easy way for a female to be able to say they once qualified for and competed in an OT.