Lance Armstrong, precisely 5ft 9 (175.3 cm) tall, is an American former professional road racing cyclist whose height optimized his power-to-weight ratio, making him a formidable climber and all-rounder in endurance races.
- His compact 5ft 9 frame enhanced aerodynamic efficiency and explosive accelerations during grueling stage races.
- Dominated professional cycling in the 1990s and 2000s with multiple Tour de France victories, leveraging his ideal height for mountainous terrains.
- Founded the Lance Armstrong Foundation in 1997 to support cancer-affected individuals, channeling his resilient physique into philanthropy.