With just eight days remaining until the general election, Democratic presidential candidate Kamala Harris and her Republican opponent, former President Donald Trump, are returning to the battleground states for their final full week of campaigning before Nov. 5.Polls show the rival candidates are neck-and-neck in the Rust Belt trio of Michigan, Pennsylvania, and Wisconsin and the Sun Belt quartet of Arizona, Georgia, Nevada, and North Carolina. With just over a week until Election Day, more than 38 million votes have already been cast.

On Monday, Harris and her running mate, Minnesota Gov. Tim Walz, will be in Ann Arbor for a joint rally and concert series featuring a performance by singer-songwriter Maggie Rogers, according to the Detroit Free Press, part of the USA TODAY Network. Ahead of the rally, the vice president will be in Saginaw and Macomb, Michigan.

Walz will also travel to Manitowoc and Waukesha, Wisconsin on Monday, according to the Milwaukee Journal-Sentinel, also part of the USA TODAY Network. Republican vice presidential candidate Sen. JD Vance is expected to be in Wausau on the same day.

On Tuesday, one week before the general election, Harris will give a speech at the Ellipse in Washington, D.C., aiming to sway last-minute voters. The campaign expects nearly 20,000 people, based on the permit application filed with the National Park Service.According to campaign officials, Walz will visit Georgia on Tuesday for early voting events in Savannah and Columbus.

Harris plans to visit every swing state in the coming days, including another trek to Wisconsin on Wednesday for a rally and concert with folk rock band Mumford & Sons in Madison.

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And on Thursday, two Mexican groups that denounced Trump's anti-immigrant rhetoric will support Harris in the lead-up to the election, as first reported by Rolling Stone.

Los Tigres Del Norte will perform at a campaign event in Phoenix, Arizona, where the vice president is expected to speak, according to the Arizona Republic, part of the USA TODAY Network. Afterward, she'll head to Las Vegas to join Maná in reaching out to undecided Latino voters in both battleground states.

Contributing: Francesca Chamber, Todd Spangler, Drake Bentley, Raphael Romero Ruiz, USA TODAY Network; Reuters and Rolling Stone