The woman told authorities she was jogging at about 5:30 a.m., Thursday, when a man grabbed her from behind, choked her and knocked her to the ground.
Officers want your help identifying a man they say sexually assaulted a woman out on an afternoon jog.
Here is a look back at several cases of women killed while jogging that have captured national attention.
Agents have visited the Iowa farm that employed Cristhian Bahena Rivera, the suspect in the Mollie Tibbetts case, as details emerge about what was known about Rivera's identity around the farm where he also lived.
Here's a detailed timeline of the night Mollie Tibbetts disappeared, the developments in the search and the trial of murder suspect Cristhian Bahena Rivera.
"All Mollie Tibbetts wanted to do was go for a run. Since she was not able to finish, I ran for her yesterday and today," one runner wrote on Twitter.