I agree with Jen in Nebraska- work around others, but make yourself a priority.
Another piece of advice: utilize the daycare provider/friend/someone who will watch the kids for at least an hour a day, go to the gym/workout, then pick the kid/s up and go to the park and join in the fun! My daughter (a 3yo, but who is already a “gym rat"-oops!) loves to “workout” too but can be more of a distraction, however she loves to go to the park after I get done with my workout.
One of my clients uses me as her “excuse"- she’s got to find someone to watch the kids, because she’s got an appointment! (In other words, get a personal trainer and then utilize the personal trainer excuse)