Happy Hardrock 100 week — we’re sharing stories from the event all week! Be sure to read our in-depth preview to see the event’s top entrants.

One Climb at a Time: Careth Arnold’s Pre-2026 Hardrock 100 Interview

A video interview with Careth Arnold before the 2026 Hardrock 100.

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Careth Arnold arrives at the 2026 Hardrock 100 ready to take it on one climb and descent at a time. In the following interview, Careth talks about how she found ultrarunning and the Hardrock 100, her relationship with the race after volunteering at aid stations and out on course for several years, being a mom of two while also being a professional runner, her win at the 2025 TDS, and her training leading up to the race this year.

To learn more about who’s racing, check out our preview before following our live coverage during the race.

[Editor’s Note: If you are unable to see the video above, click here to watch it.]

Careth Arnold Pre-2026 Hardrock 100 Interview Transcript

Transcript coming soon.

Eszter Horanyi

Eszter Horanyi identifies as a Runner Under Duress, in that she’ll run if it gets her deep into the mountains or canyons faster than walking would, but she’ll most likely complain about it. A retired long-distance bike racer, she turned to running around 2014 and has a bad habit of saying yes to terribly awesome/awesomely terrible ideas on foot. The longer and more absurd the mission, the better. This running philosophy has led to an unsupported FKT on Nolan’s 14 and many long and wonderful days out in the mountains with friends.