The woman was grabbed from behind and struck by an unknown man on the trail around 6:30 a.m., Howard County Police said.
She escaped to her vehicle with a minor injury and did not require further medical care.
The suspect is described as White or Hispanic, between 5-foot-7 and 5-foot-9 inches tall, having dark eyes, and wearing a black cloth medical mask and a black plain baseball hat.
Police have increased area patrols and warn residents to stay alert for suspicious activity.
Anyone with information is asked to contact 410-313-STOP or HCPDcrimetips@howardcountymd.gov.
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