Check out the highlights from Nike's 12th running of the popular women's half marathon in San Francisco.
More than 25,000 runners are expected.
The Washington, D.C. half marathon will not return; in its place will be a 15K in Toronto.
On Sunday, 25,000 women, as well as a few good men, ran in the 11th annual Nike Women’s Half Marathon in San Francisco to benefit the
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