Runneras - Running Calculator

What it does

Runneras is a clean, offline-first running calculator built for runners who want clarity and not clutter. Calculate pace, time, or distance instantly, view per-km/mile splits, predict race times, and find your ideal training zones. Runneras also adjusts for heat, elevation, and heart rate so you can plan smarter runs and race strategies. No ads. No subscriptions. Just fast, accurate running math.

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