Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

UltraKotlina

Name: UltraKotlina
Start: 2026-10-09
End: 2026-10-11
Location: Szklarska Poręba

Szklarska Poręba, Poland • 9-11 Oct 2026

The UltraKotlina will take place in Szklarska Poręba from Friday 9 October 2026 to Sunday 11 October 2026. You can run between 15 and 142 kilometers. Visit the organization's website for the most recent information.

Poland Dolnośląskie Szklarska Poręba

Race information

Website

142 km

Ultrakotlina - Sztafeta

142 km

Ultrakotlina140

108 km

Ultrakotlina100

82 km

Ultrakotlina80

57 km

Ultrakotlina50

34 km

Ultrakotlina30

15 km

Ultrakotlina15

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Aug 1

Krkonošská 50 Trail

Špindlerův Mlýn

50 km

The Krkonošská 50 Trail will take place in Špindlerův Mlýn on Saturday 1 August 2026. You can run 50 kilometers.

Saturday Aug 1

Pouť kolem Peřimova

Peřimov

7 km

13 km

The Pouť kolem Peřimova will take place in Peřimov on Saturday 1 August 2026. You can run between 7 and 13 kilometers.

Thursday Aug 6

Czech O-Tour

Harrachov

The Czech O-Tour will take place in Harrachov on Thursday 6 August 2026.

Saturday Aug 8

NiedamiRUN - Ultramaraton Sudecki

The NiedamiRUN - Ultramaraton Sudecki will take place in Niedamirów on Saturday 8 August 2026. You can run between 13 and 100 kilometers.