We hope all of you have a great holiday season and wonderful Christmas. Thanks so much for being part of the Cycling News community in 2025 and beyond!
http://home.trainingpeaks.com/wko-desktop-software/analysis-software-for-training-files.aspx
These guys are the experts. You're looking for what they refer to as the TSS or Training Stress Score for a workout.
Cheers
David