✦ 5 million runners worldwide

The running app
that actually
works.

C25K guides you from couch to running 5K in 8 weeks. Audio coaching. Progress tracking. 5 million success stories.

  • Audio-guided runs every session
  • Walk/run intervals that actually work
  • 8 weeks to your first 5K
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9:41
◆
C25K
Week 3 · Day 2
50%
Complete
RUN → WALK
1:30
remaining
▶
0.8
km
6:42
pace
148
bpm
🏠
▶
📊
👤
Why C25K

Everything you need to start running

Built for total beginners. No experience required — just the willingness to lace up and go.

🎯
Run/Walk Intervals

Science-backed intervals that build endurance without burning out. Your body adapts gradually, week by week.

🎵
Audio Coaching

Guided runs with voice cues so you never have to think. Just listen and run — we handle the rest.

📈
Track Your Progress

Watch your runs get longer, your pace get faster, week by week. Every session logged, every milestone celebrated.

Training Plans

Pick your goal, we'll get you there

From your first kilometre to your first race — structured plans for every level of runner.

5K
Kilometres
Couch to 5K

The classic. Start walking, finish running. 8 weeks to your first 5K race.

Beginner · 8 weeks
10K
Kilometres
5K to 10K

Double your distance. Build the endurance to tackle double the kilometres.

Intermediate · 10 weeks
21K
Kilometres
Half Marathon

Go the distance. Train for 13.1 miles with expert-designed long runs.

Advanced · 14 weeks
42K
Kilometres
Full Marathon

The ultimate goal. Peak fitness, peak achievement. Cross the finish line.

Elite · 20 weeks
Community

Join the community

Over 5 million runners from 190 countries are already on their journey. You won't be running alone.

sarah_runs
@sarah_runs
james_rfit
@james_rfit
dorothy_k
@dorothy_k
mike_pdx
@mike_pdx
lisa_atx
@lisa_atx
runnerboy42
@runnerboy42
fitlife_jen
@fitlife_jen
marathon_min
@marathon_min
couch2five
@couch2five
thetealrunner
@thetealrunner
c25k_grad
@c25k_grad
firstfinish
@firstfinish
5M+
Active Runners
190
Countries
4.8★
App Store Rating
8wks
To Your First 5K
Featured In
Runner’s World The Guardian TIME Men’s Health TechCrunch Forbes
Success Stories

5 million stories. What’s yours?

Real people, real results. From total beginners to finishing line crossers.

Margaret T
Margaret T. · Week 8 Graduate
“I’m 47 and never ran a day in my life. I genuinely thought running was just not for me. C25K proved me completely wrong. Last Sunday I ran 5K without stopping for the very first time. I cried at the finish line — in a good way!”
★★★★★
James R
James R. · Lost 18 lbs
“The audio coaching is what got me. I didn’t have to think — just listen and follow. Six months later I’ve run two 5Ks and signed up for my first 10K. This app literally changed my life. Sounds dramatic but it’s true.”
★★★★★
Dorothy K
Dorothy K. · 3 Races Completed
“What I love is that it meets you where you are. Week 1 was honestly hard for me, but the intervals made it doable. By week 5 I was actually looking forward to my runs. Never thought I’d say that. Now I’m training for a half marathon!”
★★★★★

Your first run starts today.

Download C25K free and join 5 million runners who transformed their lives one run at a time. No fitness level required — just show up.

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