For tempo days, race day, and every fast mile between, the Endorphin Speed 5 is our go-to running shoe for runners who want a lively, responsive ride. PWRRUN PB cushioning returns energy with each stride, while the nylon plate and SpeedRoll geometry keep your turnover quick when fatigue sets in.

• PWRRUN PB cushioning: lightweight, springy foam that gives back energy and keeps tempo runs and race efforts feeling lively
• Nylon plate paired with SpeedRoll geometry for a smooth, fast transition from landing to toe-off
• Engineered mesh upper that breathes well and sheds heat, which matters on humid Southeast summer mornings
• Secure, locked-in fit that holds your foot steady at pace without feeling pinched
• Best for speed work, tempo runs, and race day, and light enough to be your fast shoe for everything from 5Ks to the marathon