CARBN·ZONEFEATURES

Everything you need to train smarter

Cycling analyticsbuilt for performance

Connect your Strava, analyze your training, plan your season, execute your workouts.

Connect with StravaFree · No credit card · 60 seconds to start

Training dashboard

Weekly load, power trends, CTL/ATL/TSB fitness tracking, training breakdown. See your progress at a glance.

Power curveTSS trackingFitness score

Activity analytics

Activity explorer with expandable rows, side panel with zones and efforts, token-based search, calendar view.

Power zonesBest effortsHR analysis

Smart training plans

AI-generated periodized plans with Base, Build, Peak, Taper phases. Set a goal event and get a complete season plan.

Auto-periodizationCTL projectionPlan vs actual

Workout builder

Visual workout creator. Drag blocks, set power zones, preview the profile. Save as template or add to your plan.

Zone chartTemplatesIntervals

Ride with structure

Open a workout on your phone and ride. Timer, zone targets, audio cues at block changes. Wake lock keeps screen on.

Audio beepsBlock timerRPE guide

Strava connected

Auto-sync activities via webhook. Power streams cached for instant analysis. Works with Zwift, Wahoo, Garmin.

Auto syncWebhookStream analysis
6
pages of analytics
50+
metrics tracked
5
training phases
A+
security grade

Get started in 3 steps

Connect Strava

One click OAuth. No passwords to remember. Your data stays yours.

Your data syncs automatically

Activities, power streams, and heart rate — all cached for instant analysis.

Train smarter

Plan your season, build workouts, track fitness. See what the data says.

Built with Next.js · Hosted on Vercel · Data in Supabase
SSL A+ · Security Headers A+ · Open source friendly · See grades

Ready to level up your training?

Connect with Strava