N+1 for whomever has already answered Hilly Gran Fondo Plan! I can tell you it helps, I did a Grand Fondo earlier this year with a couple of climbs that were 5.8km @ 6.4% avg with 390m of elevation gain and 5.3km @ 6.5% avg with 345m elevation gain plus several other smaller climbs that were on the route as well. I don’t know if I would have made it without this training plan. Also IMHO and just for me the Hilly Gran Fondo plan is the best continous 12 week MAP workout plan there is. I saw and felt significant gains in my MAP and FTP.