Event Brief
Nov 1, 2025 at 6:01 AM ET
Air Pollution Slows Marathon Runners, Study Finds
By The BriefBrief
Research shows marathon times worsen in cities with high air pollution levels.
WHO: Researchers
WHAT: Study on air pollution's impact on marathon performance
WHEN: Oct 31, 2025 at 8:00 PM ET
WHERE: Various cities worldwide
WHY: To understand the effects of air quality on athletic performance
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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