Each year my sister and I do 2 of the MS rides here in California. We do the Top Hat in San Ramon at the end of April and then the Waves to Wine in Santa Rosa at the end of September. Great rides for a great cause. Our cousin has advanced MS and that's what got us started doing these rides. But we enjoy them so much I think we would do them no matter what. Santa Rosa at the end of September can be hot - one year it was in the 100's - but then it can be cold - we had rain last year. But it's so pretty riding up through the forest and along the vinyards. Great support people all along the way. I highly recommend these rides particularly the Waves to Wine.