A road may look flat along its length while sloping across its width. That cross-slope, or camber, helps drainage but can make one side of a running route feel different from another. Pace alone will not record that difference.
Look across the route as well as ahead
During a walk-through, notice whether the surface falls towards the kerb, changes at driveways or becomes uneven beside drains. A pavement can have its own slope even when the road beside it looks level. Record the section rather than describing the whole route as “flat.”
This is a route-observation exercise, not a claim that camber causes a particular injury. If you develop pain, change the session appropriately and seek qualified advice when needed. Do not keep repeating a painful route simply to collect more data.
A useful note might read: “The final ten minutes were on the same sloping edge; discomfort appeared there, but not on the park path.” That is an observation you can discuss. It does not establish a diagnosis or prove that one shoe would solve the problem.
Choose safe alternatives
Where practical, use a suitable path or route with less sustained cross-slope. Do not move into traffic, run along a road crown or cross repeatedly to alternate sides. Local road rules, visibility and separation from vehicles take priority over making the surface symmetrical.
Keep comparisons modest: similar duration, comfortable effort and a familiar route. Changing shoes, speed, distance and terrain together makes the result difficult to interpret. Consider whether fatigue or a recent increase in training also changed.
For a regular route log, add a few words about surface, slope and conditions beside the distance. You do not need to measure every angle. The aim is to remember where the run happened well enough that next week’s training decision uses more information than an average pace.