{
  "id": 9787493,
  "title": "Higher pollution levels linked to slower marathon times across six World Marathon Majors",
  "url": "https://urgent.news/2026/09/25/higher-pollution-levels-linked-to-slower-marathon-times-across-six",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-09-25T16:00:01.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-higher-pollution-linked-slower-marathon.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "A study of more than 2.7 million marathon performances found that higher levels of air pollution on race day were associated with significantly slower finishing times, with recreational runners affected more than elite athletes.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}