Category Archives: Brett Sergenian

11er Finisher List as of December 2025

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The list of 11er finishers continues to grow. Recent LiDAR measurements have added peaks that were previously unranked to the ranked list. This includes one new peak in the Pioneer Mountains which was remeasured in late 2025. Derek Percoski and Brett Sergenian are the only person listed below who have climbed that peak. Nevertheless, credit for finishing the 11ers is … Continue reading →

Brett Sergenian is the First to Climb the Highest 200

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Brett Sergenian, aka exflatlander, climbed Hyndman Peak in mid-July 2015. It was his first peak on the list of Idaho’s highest 200 peaks. On September 5, 2021, he climbed Peak 10780. In between, he climbed another 198 peaks that ranged in elevation between 10,780 feet and 12,662 feet. Thus, in a time period of 2,244 days, he became the first … Continue reading →