Good that she has matured enough to come to terms with not comparing to the past. And wants to enjoy running and focusing on getting better than she is today. That’s a hard thing for girls - for her especially, because of all the message board /internet comments and judging she gets
I'm not sure what you're talking about in regard to Lane. Thousands of distance runners have comeback from injuries and I doubt if any of them expected to run PRs in their first race back. Why would she be any different?