Right now, Strava only uses cycling power for Training Load and Fitness/Fatigue scores. For running, even if I use a power sensor like Stryd, Garmin, or Apple Watch, Strava ignores the power data and defaults to heart rate — which makes my Training Impulse and Fitness score much lower than equivalent cycling efforts.

For example, a 60-minute tempo run at 290 W (rTSS ≈ 90) only gives a ~35 Training Load on Strava, while an equivalent 60-minute ride at the same intensity gives ~90. That makes multisport fitness tracking inaccurate.

Suggestion:
Please integrate running power as a valid input for Training Load and Fitness. Strava could use a power-based formula (similar to cycling) or rTSS-style method. This would:

• Make fitness tracking consistent across sports

• Improve accuracy for runners and triathletes

• Support the growing use of power sensors in running

This update would make Strava’s analytics far more useful for anyone training by power — not just cyclists.