Just one day left in their stubbornly close race, President Barack Obama and challenger Mitt Romney are storming through a final exhausting campaign push Monday that won't end until the wee hours of Election Day in pursuit of every possible vote.

Both candidates say the winner will be determined by which side gets the most supporters out to vote. "This is going to be a turnout election," the president declared in an interview airing Monday morning as he pleaded with urban radio listeners to get to the polls.

"We have one job left," and that's getting people out to vote, Romney told more than 1,000 people just off the tarmac at the airport in Sanford, Fla. The crowd chanted, "One more day!"

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From events in the driving rain to days of blistering heat, Associated Press photographers have been with the candidates through it all. Here's a look back at the campaign in photos.

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Follow AP political photographers on Instagram using the hashtag (hash)aponthetrail: http://apne.ws/YKUsrr