Geneva Marathon
Race Day Weather
Cool start, steady conditions ahead
Runners will face temperatures starting at 50°F and rising to 60°F, with humidity averaging 66%. Winds will be light at 4 mph, providing minimal impact, though gusts could reach up to 21 mph. Pacing adjustments should be made during miles 9-10 and 12-13 where headwinds may slow progress, while the tailwind from miles 3-5 and 15-18 will aid speed.
Pace Calculator
Get forecast alerts for Geneva Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Geneva Marathon race plan
True Effort pacing, weather-adjusted mile splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.
Race Info
The Harmony Geneva Marathon for UNICEF is an annual marathon running event held in Geneva, Switzerland. It draws about 9,100 participants every May. Apart from the marathon, there is also a half marathon, a Relay Marathon, a 20 km Handbike and wheelchair race, a 10 km race held on the same day, and races exclusively for women (5 km) and children (1 to 5 km) held the day before. A time limit of six hours and a half applies to the main event. Wikipedia
