[Quentin]

Thank you very much Scott for your useful reply!

It’s my turn to apologize for the late reply. Too much work and poor time management!

I will definitely follow your advices and strive to be careful regarding volume progression. I think setting up an upper limit of 350-400 training hours in 2023 is indeed more reasonable.

As suggested, I will use TFTUA’s Cat 1 First Time 50K Running Race Idealized Plan to prepare for the mountain marathon (20 weeks).

I mentioned in my initial post the Cat 2 Single A Priority 100K Run Idealized Plan not really because I planned to match the recommended mileage but because I though that it can served as a model for the distribution of the types of weeks (base, intensity, specificity) between the two events.

You said that “prepping for the 42 km race will give you a good base for the longer race in October”.

Lets say that I manage to run 70K-75K with 3,000m – 4,500m of vertical in my “culminating” week before tapering for the 42K/2,300m A-goal race, what is the better option out of these two for prepping for the October 75K/3,300m B-goal race:

– keep doing intensity and then specificity weeks, while very slightly increasing the distance and/or vertical?

– doing mostly base weeks and focus on increasing the distance and/or vertical more dramatically, though still cautiously?

Be that as it may, I will pay close attention to how well I will handle the workload near the end of the 50K plan before considering to which extent I need to add volume and/or intensity for prepping for the 75K race.

Quentin.