Are they your shins? Most runners, after not running for a while and then overenthusiastically running too much, develop shin splints. To prevent this muscle strain injury and other muscle injuries, stretch before a run (stretch usually where it hurts and slowly stretch further until the pain lessens), stretch after a run, sometimes stretch during a run, and stay hydrated!
I ran distance track in high school and run about 2x a week now.
I'm proud of you for jogging btw
for new runners, it's hard to start