Last Updated: May 5, 2026 After 21 days of racing, Tour de France riders show extreme leg vascularity, visible muscle striation, and significant atrophy in non-cycling muscles — the result of 80,000+ calories burned and 95+ hours of pedaling at threshold. Below, we explain what causes this look and how it affects rider health. The … Continue reading Cyclist’s Legs After Tour De France Stages, and Why They Look Like That