New Balance FuelCell MD-X v2

The New Balance FuelCell MD-X v2 is a purpose-built middle-distance super spike designed to feel aggressive, efficient, and fast from the first stride. A high-rebound FuelCell midsole gives you a surprisingly cushioned pop for longer track efforts, while a stiff carbon-fiber plate sharpens your toe-off and keeps the ride snappy when you’re pushing the pace. Up top, a knit bootie construction wraps the foot closely for race-day security, making this a go-to option from the 800 through the 5000.

Highlights

• FuelCell midsole foam delivers a lively, high-energy feel for sustained speed on the track
• Full-length external carbon-fiber plate adds rigidity and a propulsive, quick-rolling toe-off
• Strategically “bottom-loaded” forefoot plate geometry helps maximize efficiency as you surge and kick
• Knit bootie upper creates a seamless, foot-hugging wrap with a race-ready feel
• Strategic internal reinforcements improve lockdown for fast cornering and hard accelerations
• Six permanent titanium spike pins bite the track for confident traction at top speed
• Enhanced traction plate with added ridges helps you stay stable and secure through push-off