You can mention people using “@username”, for example @ Jonathan, @ Nate_Pearson, @ ambermalika (without the space of course, I didn’t want to actually tag them).
However, they have talked about stage races a couple of times in the podcast, so I don’t think there is the need to mention them. Nevertheless, here you could ask them a question specific to the Haute Route demands.
Podcasts:
Also, here on the forum you will find a lot of stage racing tips, just use the search function 