Fernando Cabada and Lindsey Sherf were the top Americans.
It was a fast day in San Jose!
The 27-year-old was tuning up for the ING New York City Marathon.
Mattie Suver is the women's champion.
The 27-year-old Kenyan ran the fastest half-marathon time on a record-eligible course in the U.S. this year.
Dani Fischer wins the women's race at the XSport Fitness Rock 'n' Roll Chicago Half Marathon presented by HumanaVitality.
The 5th annual XSport Fitness Rock ‘n’ Roll Chicago Half Marathon presented by HumanaVitality took over the streets of downtown on
The two Boulderites should contend for the win on Sunday.
Americans Tyler McCandless, Fernando Cabada, Stephanie Rothstein Bruce and Maegan Krifchin amongst top entrants.