Helsinki Marathon
Race Day Weather
Mild temps, strategic pacing required
Runners will face a temperature increase from 60°F to 62°F with high humidity at 84%. A light tailwind will aid during the first half, but a headwind will challenge runners from miles 14-23, requiring strategic pacing adjustments. Hydration is crucial; with humidity levels, runners should start conservatively and plan for regular fluid intake throughout the race.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Helsinki Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Helsinki Marathon is an August marathon in Helsinki, Finland, organized by Runner's High and run on a single-loop, AIMS-certified course starting and finishing at Meripuisto along the city's waterfront. It is a Boston Marathon qualifying race. The event weekend also includes a half marathon, a 10K, and a marathon relay. The next edition runs Saturday, August 28, 2027.