Log in with Zwift

Zwift Tools

Performance analysis tools for Zwift

🚲

Bike Comparison

Compare bike and wheel setups from your Zwift activities. See how different equipment affects the power required to maintain the same speed.

🏁

Race Replay

Replay any Zwift race with an interactive timeline. Visualise rider positions, gaps, peloton formations, and elevation profiles.

🗓️

My Activities

Browse your recent Zwift activities. View route, distance, time, power, and heart rate data, with quick links to analyze each ride.

🏁

TTT Analysis

Analyze Team Time Trial races. View lead speed, draft efficiency, and team cohesion for each team throughout the race.

🔀

Ride Compare

Compare multiple rides on the same route side-by-side, even from different events. Enter activity IDs to see who was faster and where.

Critical Power

Estimate Critical Power and W′ from your best efforts. Enter up to four duration and power points, then inspect the regression fit and residuals.