MINNEAPOLIS (AP) - The support team for a Minnesota adventurer says a GPS tracking device shows he's succeeded in becoming the first solo climber to reach the summit of Alaska's Mount McKinley in the month of January.

Project coordinator Stevie Plummer says Lonnie Dupre reached the 20,320-foot summit of North America's tallest peak at 5:08 p.m. Central time on Sunday. She says he sent a text message saying "All OK, Doing Well," through a GPS messenger device that showed it was sent from the same coordinates as the summit.

This was Dupre's fourth attempt at a solo summit in January of Mount McKinley, also known as Mount Denali. The mountain's notoriously treacherous winter weather forced him to turn back in 2013, 2012 and 2011.