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MNN US · April 21, 2026 · 1 min read

Calli Hauger-Thackery runs Boston Marathon while 22 weeks pregnant

What happened: British athlete Calli Hauger-Thackery completed the Boston Marathon in 2:43:58 while five months pregnant. She ran the race at 22 weeks gestation.

Why it matters:

  • Highlights the capabilities of pregnant athletes and challenges common assumptions about pregnancy and exercise.
  • Inspires others by demonstrating that pregnancy does not necessarily prevent participation in demanding physical activities.

MNN Take: Hauger-Thackery's marathon run during pregnancy shows that with appropriate care and preparation, some pregnant individuals can safely engage in endurance sports.

Sources: BBC US & Canada