I remember things being a bit less "Hollywood" while attending "BUDS" in the Navy. But that was a long,long, long, Long time ago, and lead directly to orders on Continents far, far, far away. Yet you are right to be proud of that young ladies performance. But running is only the beginning of physical fitness. JMHO.
The chain is only as strong as the weakest link.
Don't dwell on the folks that won't make the grade, but support her in her efforts to achieve beyond the folks that will set the standards that others shall have to equal or surpass. It's a long difficult road, and many shall take the easier fork. JMHO.