C2K — Couch to 5K & 10K

Mathew Brown · Health & Fitness

Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Oct 9, 2026
New version 1.2.17 → 1.2.20

• See weekly and monthly summaries on the History screen, with a quick comparison to the previous week and month. • New setting to skip the warm-up and cool-down, for days when you already walk to and from your run. • Added an optional voice reminder that periodically announces time remaining during an interval, on a cadence you choose in Settings. • The lock screen now shows how many running intervals are left, not just overall progress. • Fixed the wording of the workout count on the History screen in the Russian translation.

Sep 12, 2026
New version 1.0.0 → 1.2.17

Screenshots

About

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.

What's new · 1.2.20

• See weekly and monthly summaries on the History screen, with a quick comparison to the previous week and month. • New setting to skip the warm-up and cool-down, for days when you already walk to and from your run. • Added an optional voice reminder that periodically announces time remaining during an interval, on a cadence you choose in Settings. • The lock screen now shows how many running intervals are left, not just overall progress. • Fixed the wording of the workout count on the History screen in the Russian translation.

Details

DeveloperMathew Brown
ReleasedAug 2026
UpdatedAug 2026
Version1.2.20
Size1.1 MB
RequiresiOS 17.0 or later
Age rating4+
LanguagesEnglish, French, Galician, German, Portuguese, Russian, Spanish
PriceFree
Categories Health & Fitness
Bundle IDcom.hackerapps.c2k