How do i train for a 500km ride? Which plans do i go for?

[wysbf2]

Is that an Audax ride? There’s a thread here that might be useful:

Plan builder : randonneuring

I’ve listened to a truckload of podcasts and heard about all kinds of cycling, but never randonneuring, cycling Audax Club Parisiene (ACP) brevets. Gran Fondo might be close. We could use a Gran Fondo for a warmup or a cooldown. So I put in my events, called almost all “B” events and let plan builder do its thing. It will not, does not work. I did my BRM 400 this weekend after following the plan. I got zapped after 160 km with about 1600 meters elevation. Energy levels zapped, and I had 240 …