"Sexual assault mainly occurs against women, but men can be victims too," she said.
At 7 p.m., the march will begin winding through campus and downtown, making various stops along the way to allow students to share their experiences with sexual assault. Some of the stops will be at locations where assaults occurred for the victims.
When the group reaches Pollock Halls at about 9 p.m., men and women will separate. Women will continue on to Fraternity Row and Central Parklet, between Fraser and Allen streets. Men will attend a sexual assault seminar hosted by Men Against Violence.
Dunn said the purpose of the split is to allow women to feel more comfortable sharing their stories.
"It's a great event showing women's solidarity," Lorraine Dowler, women's studies director, said. "It reminds us we're in an environment where there is violence against women."
Marissa Rodriguez, president of the Feminist Majority Leadership Alliance, said she plans to attend the rally because it gives victims a safe space to deal with their pain.
"As a survivor of sexual assault, it's good to know you're not the only one," she said. "There's strength in the numbers of people who participate."
Rodriguez added that the event is also important from a feminist perspective.
"It's a statement that we won't sit back and take it," she said.
In addition to the women's participation, men are expected to march to support victims of rape and sexual assault.
"As a guy, it's important to send a message to other guys that, 'Oh my God, it's not cool to rape women,' " Brendan McCall (senior-English and women's studies) said. "It sounds simple and basic, but for all that Penn State does, there's still a very pervasive attitude that it's permissible."