Runna's Adapt for Heat Personalizes Pace Adjustments Using Individual Training Data

Runna launched Adapt for Heat on July 29, 2026, for all subscribers. The feature lowers target paces based on local heat and humidity, drawing on each runner's personal training history rather than generic regional adjustments. A color-coded hourly forecast helps users move sessions to cooler windows. The runner still decides whether conditions are too dangerous to go out.