Geneva Marathon
Race Day Weather
Cool and wet, adjust pace accordingly
Runners will face a steady temperature of 55°F rising slightly to 58°F, with an average humidity of 86% making conditions feel damp. Light rain is expected throughout, and runners should anticipate crosswinds in sections, particularly at miles 1, 6-8, and 11-13. With a headwind from miles 9-10 and again from 21-24, pacing adjustments will be crucial, especially during challenging segments.
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
Weather-adjusted pacing, per-mile terrain 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
