# K24 Ultra Trail ultramarathon in Slovenia

> Live situation record from CLSTR: https://clstr.news/situations/k24-ultra-trail-ultramarathon-in-slovenia
> Updated: 2026-08-07T20:49:48.000Z. Sources: 2. Developments: 2.

The K24 Ultra Trail ultramarathon has commenced in Črna na Koroškem as part of the 70th Koroška Tourist Week. The event features multiple race distances, including a 100-kilometer ultramarathon with significant elevation changes, as well as 10-kilometer, 24-kilometer, and 50-kilometer races.

Approximately 900 runners from 21 countries are participating in the competition.

## Timeline

### 2026-08-07: K24 Ultra Trail ultramarathon begins in Črna na Koroškem

The K24 Ultra Trail ultramarathon began in Črna na Koroškem, featuring a 100km course and attracting 900 runners from 21 countries.

2 sources. https://clstr.news/cluster/sporting-events-in-slovenia-feature-ultralight-aviation-and-ultramarathons

### 2026-07-27: Đuro Borbelj Wins 24K Kopaonik Trail Race

Đuro Borbelj won the 24 km Kopaonik trail race; Victoria Keller won the women’s race. Multiple distance events highlighted the weekend’s endurance competition in Serbia’s Kopaonik park.

3 sources. https://clstr.news/cluster/uro-borbelj-wins-24k-kopaonik-trail-race

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Cite as: K24 Ultra Trail ultramarathon in Slovenia. CLSTR, https://clstr.news/situations/k24-ultra-trail-ultramarathon-in-slovenia