Connor O'Neill tied for ninth in Saturday's pole vault at 15-9.
Junior Brielle Bierman took 20th of 22 in the 400-meter hurdles prelims in 65.21 to end her season.
Junior Laura Eischens took 20th out of 22 in the seven-event heptathlon, with 4220 points.
Micah Hausman competed in Friday's shot put, and placed 12th out of 20 with a best of 52-7 1-4.
The three-day NCAA Division III Track and Field Championships are underway in Geneva, Ohio, under rainy and cool conditions.
Four of the six St. Thomas qualifiers will compete Thursday:
- Laura Eischens in day one of the heptathlon;
- Michael Witschen and Conor White in the long jump;
- Brielle Bierman in the 400 hurdles prelims.
Rain and cooler temperatures are in the forecast Thursday and part of Friday. Saturday's forecast calls for sunshine and a high of 72.