NORMAN, Okla. Iowa State senior Hillary Bor defended his Big 12 Conference title in the men's 3,000-meter steeplechase, lt;br />while Betsy Saina and Dani Stack took first and second, respectively, in the women's 5,000-meter run on the final day of the Big lt;br />12 Outdoor Track and Field Championships inside the John Jacobs Track Complex.

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