Coaching that adapts every single day
Your training reacts to your recovery, your calendar and your goals, and today's session changes when the data calls for it.
Most plans are written once and never change. IntervalCoach rebuilds the picture every day, reading your recovery, recent training load, and what's coming up, so the session in front of you is the one that actually fits today.

Daily adaptation
Before each session IntervalCoach checks your recovery, fatigue and schedule, then adjusts today's workout: easier when you're worn down, harder when you're primed, moved when life gets in the way.
JustTrain
Need a session right now? Pick a sport, a duration and how hard you want to go, and get a structured workout built around your current fitness, synced straight to Intervals.icu and Zwift.
Workout builder
Change any planned workout step by step: durations, targets, ramps, cadence and repeats, where changing one interval updates every rep. Or build your own from the calendar, the training plan or JustTrain. It saves to the same session on your calendar, so it still syncs to Garmin, Wahoo, Zwift or your Apple Watch, and the rest of your week adjusts around it. Eight sports, every plan, on the web, iPhone and Android.
Describe and review a workout
In the workout builder, describe a session in your own words or paste a photo of one, and get the steps to check before you save. Review writes a short note on how the session fits your plan and recovery, with suggestions you can apply one by one. Review is on the web and Android.
Coach+ chat
Ask your coach anything. Coach+ knows your fitness, calendar and goals, and can explain decisions, adjust your plan, or talk you through a tough week, in plain language.
Race pace plans
For your goal events, get a pacing strategy with power and pace targets, a warm-up protocol and fuelling guidance, tailored to the distance, your current form and the wind forecast for the course.
Race Recon
Attach the GPX or FIT file of your race and IntervalCoach reads every sustained climb, estimates how long you will be on each one, favours intervals of that length in the weeks before, and plans race day segment by segment with a target and a fuel budget.
Post-workout analysis
After each key session you get an honest read on how it went, whether you hit the intended stimulus, what it means for recovery, and how it feeds into what comes next.
Agent Log
A receipt for every decision: today's readiness call, why this session was picked, what changed when your wellness synced mid-morning, every adjustment made through Coach+. Most AI coaching is a black box; this one you can read.
Meet your adaptive coach
See how a plan that changes with you feels different from one you have to fight.
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