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A crowd scientist is helping the Boston Marathon manage a growing field of 30,000-plus runners

  • The Boston Marathon features over 32,000 runners racing 26.2 miles through eight Massachusetts cities with narrow, historic streets.
  • Marcel Altenburg, a senior lecturer in crowd science, has been hired to help manage the growing field and improve the runner experience.
  • Altenburg has creative freedom to simulate and optimize starting waves within the existing time window to reduce congestion.
  • This year, runners will start in six waves organized by qualifying times instead of three, and feedback will be reviewed over the next three years.
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Associated Press NewsAssociated Press News
+19 Reposted by 19 other sources
Lean Left

A crowd scientist is helping the Boston Marathon manage a growing field of 30,000-plus runners

Running the Boston Marathon is tough enough without having to jostle your way from Hopkinton to Copley Square.

·United States
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  • 60% of the sources lean Left
60% Left

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Winnipeg Free Press broke the news in Winnipeg, Canada on Sunday, April 19, 2026.
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