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Sixteen-year-old Sam Ruthe set a new under-18 indoor mile world record in Boston, becoming the youngest male to run under 3:50.
Sixteen-year-old New Zealand runner Sam Ruthe broke the under-18 indoor mile world record with a time of 3:48.88 in Boston, becoming the youngest male to run under 3:50.
His performance, achieved on his first indoor banked track and after a long flight, highlights a growing trend of teenage dominance in middle-distance running.
Experts attribute this to improved running economy, biomechanics, and advanced carbon-plate footwear that enhance efficiency.
Ruthe’s family has a strong distance-running legacy, but he was encouraged to play multiple sports and maintains a modest training volume.
He now aims to break the U18 3,000m world record.
Sam Ruthe, de dieciséis años, estableció un nuevo récord mundial de millas bajo techo para menores de 18 años en Boston, convirtiéndose en el hombre más joven en correr por debajo de 3:50.