Just how long had she been running for? Before this current stretch of running, anyway. Her memory was incapable of being anything besides exact that point, so she knew that she had been on this current leg of her journey for 98,326 years, 8 hours and 44 seconds. She could have gotten the exact time down to the nanosecond if she wanted to, but that had always seemed like an unnecessary amount of precision for something that was ultimately pointless. She would get there when she got there. In 2742 years, 23 hours and 10 seconds, if she was still being moderately precise.
No, it was all of the running before this that she found herself perplexed about. It felt, and objectively it was, lifetimes ago to her now. Then again, living through the end of the known universe probably did that to you.
No one had ever been quite sure what had started it, or what it even was for that matter. It could have been alien technology gone wrong, a previously unknown n