Austin, Texas ? Michael Stigler defended his 400-meter hurdle title, and Colleen O’Brien won the B-section high jump to highlight Kansas University’s day at the Texas Relays on Friday.

Stigler, who entered the event after running to the top qualifying time in Thursday’s semifinal, was never challenged in the final. The Canyon, Texas, native won in 50.08 to beat the rest of the field by .28 seconds. Stigler improved upon his nation-leading time in the process. It’s the sixth-fastest time in the world in 2014.

O’Brien, from Louisburg, cleared a personal-best mark of 1.81 meters (5 feet, 111/4 inches). It was the highest outdoor clearance by a KU woman since 1992 and No. 3 in the latest national rankings this year.

KU sophomore Dasha Tsema only managed one fair throw out of six in the A-section discus, but it went 52.25 meters (174-8) and earned her second in the event.

Kansas’ Jessica Maroszek put the shot 16.23 meters (53-3), a personal-best mark that earned her fifth place.

And the Kansas distance-medley relay team — Hannah Richardson, Mercedes Smith, Lydia Saggau and Natalie Becker — placed second in 11:27.99.