Kalendar trka
Everything about running in Srbija
Kalendar trka is a community-focused running platform for Serbia. It helps runners discover road and trail races, compare practical details, and keep the local race calendar easier to navigate.
Race of the week
Gledić Ultra trejl 2026
Gledić Ultra Trail is a mountain race held in the heart of Serbia, in the Gledić Mountains, offering runners a unique opportunity to experience unspoiled nature across fo…
To race pageFeatured Races
Show all races Zapad Fruške Gore 2026
Trail
Gučevo winter trail 2026
Trail
Deliblatska Peščara 2026
Trail
7. Winter Trail Race na Fruškoj gori
Trail
Avala trail race
Trail
Kablar Skyrace 2026
Trail
Trending races
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Recently added races
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Tools for your next race
Measure Your Route
Measure a route idea and get a quick distance estimate before you head out.
Training Plans
Find training plans for different goals, levels, and race distances to shape your next training block.
Estimate Your Finish Time
Estimate a realistic finish time from earlier results and compare different goal scenarios.
Pace Converter
Convert pace, speed, and finish time across common race distances while planning training.
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