From your first 5K to your next marathon and beyond: structured plans with personalized paces, synced straight to your watch.
42Runs, the running app by 42Endurance · Free to start
Most running apps sit at one extreme. 42Runs is the one in the middle: structured training, fitted to your week, without the extras you will never use.
Not this
Generic plans. The same workouts for everyone, with little context for why they are there.
Not this
Complex platforms. Endless charts, settings and configuration — most of which you will never need.
42Runs
Coach-written structure, your paces and your week. Serious training, without the extra admin.
Plans are written by a coach, then built around your week and your race. Easy runs support recovery. Threshold work develops the ability you need next. The structure comes from established endurance training — not a new theory, and not a plan that rewrites itself after every session.
Aerobic endurance, force and speed skills come before the race-specific work.
As the date approaches, the emphasis shifts toward the abilities that matter for that distance.
Load comes down while enough intensity stays, so you arrive ready.
Not a generic template with your name on it. Your threshold, your zones, your week.
Structured workouts can land on your watch so you just show up and run. The watch is how you follow the plan — not the reason to choose 42Runs.
Works with Garmin, Apple Watch, Suunto, COROS, Amazfit and Polar.
Polar cannot receive planned workouts yet. Apple Watch connects in the iPhone app. What each brand can do differs — see the guide for the exact setup.
After each run you can see what the training is doing — enough to understand the next session, not a dashboard you will never use.
Longer-term training load. It changes slowly, because fitness does.
Recent training stress. It rises after hard weeks and drops with rest.
The balance between the two: how ready you look on paper.
How your runs actually split across your own heart-rate zones.
These numbers help you understand the work. They do not rewrite next week's plan.
Your calendar, season plan, and time in zones — in the browser
These are three examples. In the app you build a plan for any distance from 5K to the marathon, for 2 to 7 training days a week, around your own race date.
€7.99/month
or €79.99/year 2 months free
€3.99/month
or €39.99/year 2 months free
Billed in your local currency in the App Store or Google Play.
| Feature | Free | Pro |
|---|---|---|
| Couch to 5K plan | ✓ | ✓ |
| Build your own workouts | ✓ | ✓ |
| Sync every workout to your watch | ✓ | ✓ |
| Full plan library | 2-week trial | ✓ |
| Plans in your calendar at once | One | Unlimited |
| Start a plan on a past date | — | ✓ |
| Performance stats (Fitness/Fatigue/Form) | — | ✓ |
| Web dashboard (train from any browser, not just the app) | — | ✓ |
| Annual training plan | — | ✓ |
| Connect to a coach | — | ✓ |
Real feedback from a real running coach, built into your training plan. Join the waitlist to be first in line.
Start free on iPhone or Android. Couch to 5K and building your own workouts stay free.
Couch to 5K and building your own workouts are always free. Full training plans are free to try for 2 weeks (5 weeks for Founding Members), then require 42Runs Pro.
Couch to 5K and any workout you've built yourself keep working exactly as before. Upgrading to Pro unlocks the rest of the plan library again.
Garmin, Apple Watch, Suunto, COROS, Amazfit and Polar. Garmin, Suunto, COROS and Amazfit connect through a free pairing service. Apple Watch and Polar connect in the app. Polar cannot receive planned workouts yet. Apple Watch connects in the iPhone app. See the setup guide.
42Endurance is the company. 42Runs is the running training app.
One of the first 500 athletes to join 42Runs — you get 50% off for life, even if you ever pause your subscription and come back later.
Yes — see our Privacy Policy for exactly what we collect and why.