
Varna, Bulgaria · Sunday 11 May 2025
It's all here at one race. Bulgaria's charm meets nature's best at the Varna Marathon, where you can discover excellence! Test the limits. You will also feel the magic come alive. Explore all that is Bulgaria in a test designed to transport you!\n\nWith each path taken, chart how the world will change as the area offers what all travelers seek. From historic towns and cities, to a connection with everyone, all can explore something amazing. Welcome to Bulgaria, and the rest is now for you to fin
Adjusted Time
3:57:59
Time difference: -2.0 minutes compared to a flat, road, temperate course.
Marathon Varna 21km is a full marathon held in Varna, Bulgaria, scheduled for Sunday 11 May 2025. The course is run on road surface with 163m of total elevation gain, reaching a maximum altitude of 81m above sea level. For registration and full race details, visit the official Marathon Varna 21km website.
With 163m of elevation gain, this is a moderately undulating course. The route ranges from 0m to 81m above sea level (81m 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 10°C to 17°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (3%), so dry conditions are likely.
Marathon Varna 21km 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 Marathon Varna 21km 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 Marathon Varna 21km against other marathons to find the right race for your goals.