London Marathon 2026
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March 25, 2026
On 26 April 2026 we will be providing air quality data to elites and mass participants at the London Marathon.
Air quality can significantly affect your training. Adjusting when and where you run can cut pollution exposure by up to 30%.
This year we are partnering with London Marathon Events to raise awareness of air quality.
As well as educational material for runners' training schedule, we are also providing data to elites and pass participants during event week.
See our dedicated marathon page for more insights into air pollution and long-distance running!
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