Leiden Marathon
Race Day Weather
Cool start, mild winds ahead
Runners will face a temperature rise from 56°F to 64°F, with humidity averaging 64%. A headwind will challenge participants in miles 1-2 and 19-27, suggesting a conservative start and pacing adjustments in those segments. Tailwinds from miles 6-14 will offer opportunities for faster splits, while maintaining hydration is crucial throughout the race.
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Race Info
The Leiden Marathon, established in 1991, starts and finishes at Vismarkt and takes runners through a stunning mix of historic city landscapes and sprawling countryside. The course is flat with an elevation gain of around 15 meters and features iconic landmarks like Pieterskerk, alongside traditional windmills and narrow, atmospheric streets. It's a beautifully organized race that gives you a feel for both urban and rural Netherlands.
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 65°/76° | - | 42° | |
2024 | | 66°/78° | - | 54° | |
2023 | | 57°/65° | - | 53° | |
2022 | | 64°/76° | - | 48° |