Your Personal AI Cycling Coach
Watt4 learns how you ride, adapts to your fitness, and gives you smart training advice — every day, in real time. Just tell your coach how you feel or how much time you have, and get the perfect workout. Now with running support too.

Not enough time?
Just tell your coach.
Need to shorten a workout? Change the intensity? Skip today entirely? Your AI coach adapts your training plan in seconds — no rigid schedules, just smart flexibility.

Everything you need to get faster
Built by cyclists, for cyclists. We've packed Watt4 with the tools you need to reach your peak.
Smart Scheduling
Get Daily Workout Recommendations. But life happens. Chat with Watt4 to adjust based on your current situation.

Injury Prevention
Monitors your acute load to prevent burnout and reduce injury risk.

Performance Analytics
Track your FTP, CTL, and TSB evolution with professional-grade metrics.

Sync with Strava, Garmin and Wahoo
Seamlessly imports your rides and analyzes every effort, indoors or out. Export all recommended workouts to your Garmin or Wahoo devices with a single click. Or export as .zwo files and ride in Zwift.

Chat with your coach
Chat with your coach to get personalized recommendations based on your current situation. Don't have enough time for your recommended workout? Just tell your coach!
Create your account
Sign up with Google, connect with Strava, and answer some basic questions. Watt4 instantly builds your training profile based on your recent activities.
Chat with your Watt4 Cycling Coach
Meet your AI cycling coach. Tell them how much time you have, how you feel, or what you're training for and get a session that fits you today.
Train, chat, repeat
Do your workouts indoors or outside. Watt4 will sync your activities and update your fitness levels. Watch your training recommendations adapt automatically after each effort.
Race your friends, every week.
Create a club, set your turf, and let Watt4 pick a new segment challenge every week. Compete with your friends on the roads you love.
Create a Club
Pick a location and set a radius. Invite your friends and start competing on your home roads.
Ride the Segment
Every week, a new random segment is selected within your zone. Get out there and set the fastest time.
Claim the Crown
At the end of the week, the fastest rider earns a point. A new segment drops — and it all starts again.
Free. Period.
No subscriptions, no tiers, no catch. Everything Watt4 has to offer — completely free.
Common Questions
Haven't found what you're looking for? Contact us
Ready to reach your peak?
Start your journey with Watt4 today. Your personal AI coach is waiting to help you reach your goals.

