Low volume Gran Fondo

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You can use cardiac drift to decide whether base or build has more benefits at your current fitness. This topic might be helpful:

Testing for Aerobic Decoupling

Another post! Sorry! I wondered if anyone on here knows of any workout that would be ideal for testing aerobic decoupling. I’m very much a complete amateur on this subject but would think it’s very handy for Ironman and especially to test the 0.70-0.75 intensity target. So ignoring cardiac drift that could happen during indoors due to heat and excursion. Would a longer step test be a good way of testing and perhaps seeing HR rise too much over a given power target? I know over a certain powe…