"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you want to finally finish that 5k, train up for a half-marathon, or just make it through your ...

If you complete the full circuit with steady form and no breaks, your endurance ranks among the top tier for adults over 55.

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If you’re new to running, you’ve probably overheard runners talking about form, gait, and cadence and wondered if they’re speaking some secret language. While all of these things matter, the two most ...