Online // Trainer paired // Beta · 72 spotsSeason Summer · 2026 · A year of ridingSession 026.04 // LIVEFair winds · Tail wind 8 mph NW

· WattsUP · Indoor Cycling & Year-Round Route Book ·Every ride,
every season, kept.

Stop riding alone. Drop into the WattsUP pack for structured intervals, real drafting, and bot-free group rides.

WattsUP is the cyclist's field notebook. Winter drills on the trainer. Summer miles on the road. The same data, always yours — import, chart, and hold on to it.

Summer 2026

On the road

// Section 02 · Outdoor systems§ 02 · Outdoor tooling
// 01No. 01

Drop your rides

Drop files from Wahoo, Garmin, Tacx, or Strava. Rides are parsed, deduped, and charted on your Sun Log instantly.

Every ride from every device — Wahoo, Garmin, Tacx, Strava export. Drag, drop, and we do the rest.

Explore Ride Analyzer →
// 02No. 02

Every climb, plotted

Grade-by-grade climb analysis. VAM, %, segment PRs — colour-coded against your TSB for pacing.

See every climb on every ride — grade, VAM, and how you paced it compared to your best days.

Climb & VAM Analysis →
// 03No. 03

The roads you know

Your personal network. Which roads you've ridden, how often, and where to venture next.

Every road you've ridden this year, layered on the map. The shape of your summer, at a glance.

// 04No. 04

Form, fatigue, freshness

ATL, CTL, TSB across seasons. The Smart Engine reads your load and adapts the intervals.

Your fitness and fatigue, plotted across the whole season so you know when to push and when to rest.

Model Your TSB →

One platform · two seasons

// Section 03 · Dual-mode§ 03 · Year-round
● Winter · Nov–Mar
// 3S POWER
267W
▲ +14W · SWEET SPOT

Mission Control

Cockpit HUD. Structured intervals. Bot-free pack rides. Smart Engine programs sessions from FTP and TSB.

○ Summer · Apr–Oct
// This ride · Willow Creek Loop
42.3 mi

The Route Book

Outdoor logbook. Drop GPX/FIT from any device. Elevation, heatmaps, PRs, and a 12-week trend that carries across the whole year.

Outdoor miles, kept. Import from any device. See elevation, heatmaps, training load, and a whole season's worth of riding in one quiet place.

Built for cyclists who want their data back.

WattsUP handles the ride, the numbers, and the trend. The social part can wait until the pack is big enough to make it worth your time.

We handle the ride, the numbers, and the trend. The social stuff can wait until the Peloton is big enough to make it worth your time — no feed chasing, no algorithm, no ads.

  • Ride log & activity history // LiveReady
  • GPX / FIT import from any device // LiveReady
  • Elevation, heatmaps, training load // LiveReady
  • FTP, Watts/kg, 12-week trend // LiveReady
  • Friends, kudos, feed // On the build listLater this year
// wattsup-app.com/heatmapwattsup-app.com · heatmap
// Past 12 WeeksPast 12 weeks · since the 1st of Feb382.4 MI382.4 MI

The Workshop

// Section 05 · Roadmap§ 05 · What we're building
DeployedShipped
PWA Native Install
Lobby v1.0
Telemetry Stream
In OrbitIn Progress
Social Ride Improvements
Best Buddy Free App
TrajectoryPlanned
"Ghost Protocol" (Race Your Past Self)
Fleet Command for Clubs/Teams

Feature Voting TerminalCommunity Feature Board

Loading features...

Frequently Asked Questions

// Section 06 · Dispatch & FAQs§ 06 · Common Questions
// 01No. 01What ride file formats does WattsUP support?+

WattsUP supports drag-and-drop import for standard cycling files including GPX, FIT, and TCX formats exported from Garmin, Wahoo, Tacx, Hammerhead, and Strava. Files are parsed, deduplicated, and charted on your personal Sun Log instantly.

// 02No. 02Does WattsUP connect to indoor smart trainers?+

Yes. WattsUP connects with smart trainers and cycling sensors using standard Bluetooth (BLE) and ANT+ protocols, offering structured ERG mode interval workouts, live cockpit telemetry, and bot-free group rides.

// 03No. 03How does WattsUP calculate Training Load and TSB?+

WattsUP continuously models your cycling fitness, fatigue, and form using Chronic Training Load (CTL), Acute Training Load (ATL), and Training Stress Balance (TSB) metrics. The Smart Engine reads your 12-week trend across indoor and outdoor rides to optimize your interval prescriptions.

// 04No. 04Can I install WattsUP on mobile or desktop?+

Yes. WattsUP is a Progressive Web App (PWA). You can install it directly to your home screen or desktop on iOS, Android, macOS, and Windows with zero app store friction, enjoying full-screen offline-ready performance.

// 05No. 05Is my cycling data private and exportable?+

WattsUP gives you complete ownership over your cycling numbers. There are no advertising algorithms or public feeds forced on your training. Your rides and metrics remain yours and can be exported at any time.

© 2026 WattsUP Systems · West Chester, PA · Features · Ride Analyzer · Training Load · FTP Tool · Blog · Privacy Policy© 2026 WattsUP Systems · Made in West Chester, Pennsylvania · Features · Ride Analyzer · Training Load · FTP Tool · Blog · Privacy Policy