When Ashley Mateo went through a recent track workout, something felt different. She hit her intervals faster than usual, her heart rate was lower, and her feet felt lighter. Ms. Mateo, a journalist and 15-time marathoner who reviews running shoes, believes she may have improved her performance thanks to the Adizero Adios Pro Evo 1 by Adidas, a new marathon race shoe with an eye-popping $500 price tag. “I don’t think the shoe is going to work for everyone,” she said. Only 521 pairs have been released to the public so far, targeted at runners who can run a marathon in 3 hours 30 minutes or faster.

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Persons: Ashley Mateo, Mateo, Mateo isn’t, “, ” Organizations: Adidas