
Prague, Czech Republic · Saturday 30 May 2026
The Prague International Marathon, held on May 4, 2025, in Prague, Czech Republic, is an annual event that has grown to become a significant race in the global running calendar. Founded in 1995, it has been awarded IAAF Gold Label status, recognizing its high standards and scenic course. The race starts at Starom?stské nám?stí (Old Town Square) and takes runners across the Charles Bridge, offering breathtaking views of the Vltava River and Prague's historic architecture.\n\nThe course winds thro
Adjusted Time
3:53:49
Time difference: -6.2 minutes compared to a flat, road, temperate course.
Prague International Marathon is a full marathon held in Prague, Czech Republic, scheduled for Saturday 30 May 2026. The course is run on road surface with 112m of total elevation gain, reaching a maximum altitude of 197m above sea level. For registration and full race details, visit the official Prague International Marathon website.
With 112m of elevation gain, this is a moderately undulating course. The route ranges from 185m to 197m above sea level (12m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 14°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (95%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Prague International Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Prague International Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Prague International Marathon against other marathons to find the right race for your goals.