Zen Labs support

Sync Fitbit

Currently the c25k app on Fitbit is a standalone app, and cannot be synced with our separate mobile apps.

Still need a hand? Contact Zen Labs or ask the community.
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The original C25K®

Meet your
running partner.

Choose your app store to get started. Check the listing for current plans and in-app purchases.

Download on theApp StoreGet it onGoogle Play

For iPhone and Android