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UPC BLOG
The 500m Erg Challenge
A simple, high-intensity conditioning test using one machine, row, ski, or bike. Short on time but big on impact, perfect as a finisher or a standalone conditioning session.
Why Thursday Is Endurance Day at UPC
Endurance Day isn’t about suffering or chasing fatigue. It’s programmed to build real fitness, support recovery across the week, and help you train consistently for the long term.