Physical Fitness may be a part of your life, but ensure your safety when you exercise alone.
Jog with a partner.
Jog in familiar areas, and avoid secluded places.
Do not jog alone after dark.
Wear a reflective vest during hours of darkness.
Carry a whistle when you jog.
Always lock your door when you leave and carry a key, someone might be waiting for you to leave.
Always be aware of your surroundings.