I haven't heard anything about this but looking at the results I don't see how she would have made the next round even if she stopped a lap early unless she stopped before the winner finished.
The top 12 were all on the same lap.
It's late so explain how my logic is off.
Preliminaries
1 Aliphine Tuliamuk JR Wichita State 33:31.54Q
2 Natosha Rogers JR Texas A&M 33:47.12Q
3 Allison Woodward FR Oregon 33:51.70Q
4 Sarah Waldron SR New Mexico 33:54.56Q
5 Deborah Maier JR California 33:59.90Q
6 Meaghan Nelson JR Iowa State 34:06.79Q
7 Rose Tanui SR Texas Tech 34:07.94Q
8 Elvin Kibet SO Arizona 34:09.81Q
9 Caitlin Comfort JR Wisconsin 34:09.99Q
10 Jennifer Bergman JR Arizona 34:19.15Q
11 Becky Wade JR Rice 34:19.76Q
12 Sarah Sumpter JR UC Davis 34:24.87Q
13 Sarah Callister JR Weber State 34:27.30
14 Katja Goldring JR UCLA 34:48.26
15 Emma Bates FR Boise State 34:48.55
16 Courtney Yaeger JR Illinois 35:33.14
17 Lauren Mugnaini SO Sacramento St. 35:37.91
18 Hannah Pensack-Rinehart JR Colorado St. 35:39.30
19 Taylor Thornley JR Weber State 35:40.62
20 Hailey Hanna SR Arizona State 35:46.95