Pace and Distance Accuracy

Pacing a run falls apart when the numbers wander between mile markers.

Cadence and Stride Data

Form work needs cadence, not only how far and how long you went.

Indoor Treadmill Tracking

Winter miles happen inside, where satellite positioning gives nothing.

Stays Put on a Long Run

Bouncing sensors lose contact right when the data gets interesting.

Screen You Can Read Moving

Checking a split at speed means glancing, not stopping to squint.