C2K — Couch to 5K & 10K
iOS app by Mathew Brown. Health & Fitness · Mathew Brown
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.2.17
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
C2K is a free, open-source running trainer for iOS that guides you from the couch to running 5K, 10K, and beyond — with no ads and no tracking. Programs: • Pre-C25K — 3-week gentle starter for absolute beginners • Couch to 5K (C25K) — 9-week program, 3 runs per week • Bridge to 10K (B210K) — 6-week bridge for C25K graduates • Couch to 10K (C210K) — 14-week program, continues from C25K • One Hour Runner — 13-week progression from 30 to 60 minutes continuous running • 5K Improver — 8-week speed and stamina program for runners who can already complete 5K Features: • Audible voice prompts — "Start running", "Walk for 90 seconds", countdown warnings • Customizable coaching — adjust voice speed/volume, countdown warning timing, and mid-interval cues • Test voice playback before a workout • Vibration cues as an alternative or addition to voice, with Light, Medium, and Strong strength presets • Manual language selection, independent of your device language • Background workout timer — continues with the screen off • Lock screen controls — see interval progress and pause/resume from the lock screen or Control Center • GPS tracking (optional) — records distance and pace; works without GPS too • Treadmill mode — indoor runs without GPS • Workout history — session log with total distance, time, best pace, longest run, and calorie estimates • Progress tracking — remembers which weeks and days you've completed, with the option to reset • In-app running guide — FAQ covering pacing, gear, and terminology • Available in 8 languages — English, German, Spanish, French, Galician, Portuguese (Brazil), Russian, Turkish • Works entirely offline — no data ever leaves your device C2K is free software released under the GNU General Public License v3.
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