Aww that’s awesome!I've done most races with others, but almost always running different paces. We start together and meet up at the finish, but split up during most of the race. The one exception was when it was my SILs first half and so we stuck together so she would have a cheering section.
I'm excited for Marathon weekend because I will be running the 10K and half with my BFF. Our last pre-pandemic race we had pretty close paces so stayed together until the last 2 miles when she walked the end.