Helsinki Half Marathon
Helsinki, Finland · Saturday 7 June 2025
A beautifully scenic city race, the Helsinki Half Marathon showcases Finland’s vibrant capital with a mix of coastal views, modern architecture, and lush green spaces. The course takes runners past the iconic Helsinki Cathedral, Market Square, and the picturesque Töölönlahti Bay, offering a diverse and engaging route. The terrain is predominantly flat, making it accessible to both experienced runners and first-timers. The cool Nordic climate in early summer provides ideal running conditions, whi
Difficulty Calculator
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:m
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Adjusted Time
1:43:22
Time difference: -1.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain136m
Elevation High19m
Elevation Low3m
Weather Forecast
High17°C
Low14°C
Chance of Rain86%
Helsinki Half Marathon 2025 Course Analysis
Helsinki Half Marathon is a half marathon held in Helsinki, Finland, scheduled for Saturday 7 June 2025. The course is run on road surface with 136m of total elevation gain, reaching a maximum altitude of 19m above sea level. For registration and full race details, visit the official Helsinki Half Marathon website.
Elevation Profile
With 136m of elevation gain, this is a moderately undulating course. The route ranges from 3m to 19m above sea level (16m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Expected Race Day Weather
Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 14°C and 17°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 (86%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
Helsinki 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.
How Difficult Is Helsinki Half Marathon?
Our difficulty rating for Helsinki 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 Helsinki Half Marathon against other half marathons to find the right race for your goals.