Koper, April 5 and 6, 2025
In Slovenia, the 4th SLO24 running competition will take place in Koper, under the auspices of the AK Ultramarathon Slovenia (AKUS) athletic club. In addition to the beautiful seaside location, the competition will offer a wide range of different running distances, including the royal 24-hour running race, after which the competition itself was named.

This year’s event will feature a 100 km event, where all Slovenian runners will be able to also compete for the prestigious title of national 100 km champion.

IAU bronasta značka za leto 2025

SLO24 has an IAU bronze badge

Slovenian 24-hour national championship

Slovenian 100-km national championship

Join an unforgettable running experience

Choose a running competition that suits you the most.

Call your friends and invite them on an unforgettable adventure.

Sign up and secure your place at the most exciting running event of this spring SLO24.

Put on your favorite running clothes and sneakers and see you at SLO24 in Koper!

24 hour

An unforgettable 24-hour race, the royal and central discipline of the SLO24 sports event. 24 hours of running in a beautiful seaside town.

100 km

This year’s novelty, a more demanding race suitable for experienced runners, where the shortest elapsed time will be important.

12 hour

A more demanding race suitable for experienced runners who want a fast pace and a top result.

6 hour

The race is also suitable for recreational runners who want to test themselves for the first time in an ultramarathon.

Competitors who took part in the historical race Spartathlon will come to the event. More about their adventure on the race in the documentary RTV Slovenia Ekipa – Špartatlon 2021.

SPONSORS

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Hurry up and secure your place at the most exciting running event of this spring SLO24