Story perspectives

Global Warming Threatens Future of Major Marathons

11/3/2025

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Summary

Story summary

Climate Central warns that global warming will increasingly hinder marathon conditions by 2045, with 86% of analyzed races lacking optimal conditions, affecting appeal and revenue.
For elite male runners, chances of ideal temperatures at Boston and London marathons drop.
Scottish runner Mhairi Maclennan notes extreme heat can cause dehydration and heat exhaustion, affecting performance and recovery.
Organizers should adjust race schedules and start times to counter rising temperatures.

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Story summary

Climate Central warns that global warming will increasingly hinder marathon conditions by 2045, with 86% of analyzed races lacking optimal conditions, affecting appeal and revenue.
For elite male runners, chances of ideal temperatures at Boston and London marathons drop.
Scottish runner Mhairi Maclennan notes extreme heat can cause dehydration and heat exhaustion, affecting performance and recovery.
Organizers should adjust race schedules and start times to counter rising temperatures.