
Uroš Conquers Arilje Trail 81K: A 3,500m Ultra Race Report
Uroš takes on the Arilje Trail 81K, tackling 81 kilometres, almost 3,500m of elevation and two demanding days of ultra running through the mountains of western Serbia.
Practical articles from a UESCA certified coach, no filler, no fluff.

Uroš takes on the Arilje Trail 81K, tackling 81 kilometres, almost 3,500m of elevation and two demanding days of ultra running through the mountains of western Serbia.

The story of Shizo Kanakuri is one of the strangest in Olympic history. A Japanese world-record holder traveled for weeks by ship and train to reach the 1912 Stockholm Olympics, only to collapse during one of the hottest marathons ever run. He disappeared without officially withdrawing, returned to Japan, and remained on Sweden's missing-person list for decades. Then, 54 years later, he came back to finish the race.

A complete preview of the Berlin Marathon 2026 elite field, including Tigst Assefa's world-record attempt, Sawe's withdrawal, Geay, Adola, Kitata, Barega and more.

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Zoran ran his first ultra marathon at Istria100 69k 69km, 2,237m of elevation gain, and 10 hours on the trails. Here's his honest race report, and what a year of coaching built behind it.
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Every serious endurance coach talks about Zone 2. But what actually is it, why does it work, and how do you know if you're actually in it? Let's break it down simply.

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Train for the Cooper test in 6 weeks. Norms by age and sex, the VO2max formula, pacing tips and a free plan from a UESCA certified running coach.