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
Stara Planina 2026
Stara Planina Skiing 2026 is a four-day winter program offering skiing, sledding, walks, and socializing in the pristine nature of Stara Planina. Enjoy adrenaline and bea…
To race pageFeatured Races
Show all races 9. Vidra Gradac Trail
Trail
Sunrise Marathon
Road race
Vidra Gradac Trail
Trail
Trka prijateljstva Kula
Road race
Ultramaraton Palić
Road race
ISKRA Trail Kosmaj
Trail
Trending races
Here are the races that have received the most attention from runners.
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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