STILLWATER, Okla. (Interstat) — Oklahoma State used a massive second-quarter surge to power past Iowa State 86-58 in a Big 12 women’s basketball game Sunday at Gallagher-Iba Arena.

The Cowgirls outscored the Cyclones 30-13 in the period to build a commanding 43-21 halftime lead and never looked back. Stailee Heard led Oklahoma State with a triple-double of 18 points, 17 rebounds and 10 assists. Haleigh Timmer added 16 points.

Jada Williams and Audi Crooks each scored 15 points for Iowa State, which fell to 14-5. Oklahoma State improved to 16-4. Attendance was 3,941.