This is a most interesting question, and I don’t think we have a consensus. Here are some points to consider:
-
The principle of specificity indicates that you should train to the demands of your race and this means perhaps some tempo or Sweet Spot training trying to match the duration of your climbs.
-
There’s another school of thought that says you should instead focus on riding a lot of endurance volume, tempo and below and focus on short (10-15m) hard efforts and fatigue resistance. If you look at the training of professional cyclists, this is what they do.
I’m very curious to hear other’s perspectives.