The incident is generating some controversy regarding pregnancy and running.
The marathon world-record holder has struggled with injury.
She is putting off having a second child in order to focus on the Olympic marathon.
She's in New York City this weekend to kickstart her career again.
She thinks she's stronger than ever thanks to her pregnancy.
She will be running on parts of the Olympic Marathon course.
It will be her second marathon run while pregnant.
She hopes to use the London Marathon as a springboard.
She still owns the world record for 10K on the roads.