Foster's time is faster than the automatic qualifying standard of 3:39.16 for NCAAs, making Foster the first swimmer to hit such a cut in the 2022-23 season.
The Texas stars shone brightly over the summer, but the rest of the cast, especially the sprint freestylers, need to deliver for Texas to regain the crown.
Several World Championships team members competed at last weekend's TXLA 11 & Over End of School Splash meet at the Jamail Texas Swimming Center in Austin.
The Longhorn and Horned Frogs men jumped back into the pool Saturday for some 50m timed trials the day after facing off in a more traditional dual meet.