Tallinn, Estonia · Sunday 14 September 2025
The Tallinn Half Marathon is an exciting event set in the beautiful capital of Estonia, with a race course that blends urban streets and scenic seaside views. Starting in the Old Town, a UNESCO World Heritage site, participants will run through historic cobblestone streets, passing iconic landmarks such as the Alexander Nevsky Cathedral and the Tallinn Town Hall. The route then heads out towards the Baltic Sea, where runners can enjoy coastal views as they make their way through the city’s moder
Adjusted Time
1:42:52
Time difference: -2.1 minutes compared to a flat, road, temperate course.
Tallinn Half Marathon is a half marathon held in Tallinn, Estonia, scheduled for Sunday 14 September 2025. The course is run on road surface with 50m of total elevation gain, reaching a maximum altitude of 27m above sea level. For registration and full race details, visit the official Tallinn Half Marathon website.
This is a very flat course with only 50m of total elevation gain across the full distance. The course ranges from 2m to 27m above sea level — a 25m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for September, the expected race day conditions are as follows. Moderate temperatures between 14°C and 19°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a high chance of rain (100%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Tallinn Half 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 Tallinn Half 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 half 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 Tallinn Half Marathon against other half marathons to find the right race for your goals.