Leiden Marathon
Race Day Weather
Cool start, mild winds ahead
Runners will face a starting temperature of 56°F, rising to 65°F by race end. A consistent headwind will challenge athletes from Miles 1-2 and 19-27, while tailwinds will aid performance between Miles 6-14. With humidity at 61% and a light chance of rain, a conservative pace strategy is advisable, particularly during the headwind sections to conserve energy.
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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 |
|---|---|---|---|---|---|
2026 | | 57°/60° | - | 45° | |
2025 |  | 65°/76° | - | 42° | |
2024 | | 66°/78° | - | 54° | |
2023 | | 57°/65° | - | 53° | |
2022 | | 64°/76° | - | 48° |