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Fat Bear Week 2025 Starts This Week With Bracket Reveal Monday and Voting Sept. 23–30

Organizers report an unusually abundant salmon run expected to produce especially hefty contenders.

Overview

  • The 12-bear bracket will be unveiled on Sept. 22 at 6 p.m. CDT, with a single-elimination format that includes four first-round byes.
  • Online voting runs daily Sept. 23–30 at fatbearweek.org and Explore.org, limited to one vote per email between 11 a.m. and 8 p.m. CDT.
  • Viewers can watch the Brooks Falls livestream on Explore.org as dozens of bears feed on the Brooks River in Katmai National Park, home to about 2,200 brown bears.
  • Two-time champion 128 Grazer enters as the defending titleholder, and her cub 128 Jr. has already won Fat Bear Jr. to earn a spot in the main event.
  • Naturalists highlight a bumper sockeye run and note that the giant male Chunk is back despite a broken jaw, setting expectations for especially large competitors.