Your watch can say the split is fine while your legs are asking a different question.

Effort Read publishes short decision guides for recreational runners and cyclists. The first guide, Know Your Effort Limits, is a practical reference for that moment in a session when you have to choose: hold on, ease off, or stop.

It is not a training plan, and it is not medical advice.

Get the guide: https://know-your-effort-limits.whop.site