Abby Hall and Caleb Olson won the Western States 100! Read our 2025 Western States 100 results article for the full race story. Watch Abby and Caleb’s post-race interviews, and enter now for your chance to win Altra Experience Wild 2 trail shoes.

Radka Churanova – 2018 IAU 100k World Championships early leader

Early race leader, the Czech Republic’s Radka Churanova, would later fade and drop from the race.

By on September 8, 2018 | Comments
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Bryon Powell

Bryon Powell is the Founding Editor of iRunFar. He’s been writing about trail running, ultrarunning, and running gear for nearly 20 years. Aside from iRunFar, he’s authored the books Relentless Forward Progress: A Guide to Running Ultramarathons and Where the Road Ends: A Guide to Trail Running, been a contributing editor at Trail Runner magazine, written for publications including Outside, Sierra, and Running Times, and coached ultrarunners of all abilities. Based in Silverton, Colorado, Bryon is an avid trail runner and ultrarunner who competes in events from the Hardrock 100 Mile just out his front door to races long and short around the world, that is, when he’s not fly fishing or tending to his garden.