Sunday’s 32K left you with more residual fatigue than the plan assumed — HRV is down 11% and resting HR is up 4 bpm. I moved Tuesday’s intervals to Wednesday and dropped today to an easy 8K at 5:45–6:05/km. Do not chase pace today; the session that matters is Wednesday.
Three signals moved together after Sunday's 32K. None is alarming alone — together they say your body is still absorbing that session.
Easy aerobic. Zone 2 ceiling 148 bpm. Wednesday is the session that matters.
It never reads your messages, your feed, or another athlete's private data.
StrideX is a training tool built on sports-science models, not a diagnostic device. It cannot see illness, it does not know your medical history, and it will confidently be wrong about anything outside training load.
Chest pain, dizziness, a heart rate that will not settle, or pain that changes your gait — stop and see a doctor. No score on this page outranks that.
Every model publishes a confidence score. Below 80% means the model is working with thin or noisy data — treat it as a suggestion, not an instruction. Race prediction sits at 79% because heat is the hardest variable in the whole model.