Sydney McLaughlin-Levrone ran the fastest women's 400 metres in 40 years to claim world championship gold in 47.78 seconds on ...

McLaughlin-Levrone ran a blistering 47.78 Thursday to win the 400-meter world title at the World Athletics Championships in Tokyo. That is the fastest time in the event for any woman since 1985, when ...

A VO2 max test measures heart health and breaks down your ideal cardio zones for burning fat and building muscle.

Sydney McLaughlin-Levrone came close to breaking the world record in the women's 400m, finishing in 47.78 seconds for a ...

A 90-year-old formula lets speeding drivers set your neighborhood's speed limits and why cities are finally fighting back.

The elite time trials at the UCI Road World Championships 2025 in Rwanda take place on the opening Sunday - 21 September - ...