The Sagbraw comes through my town. It just came through last week. I think it looked good. I would be a little worried about weather in late June. Much safer in Early August as long as its not too hot.
The most ive done is the SS150 which was 75 miles over 2 days. It was really fun. I thought it might hurt at the end but we had great time. Unfortunately none of my family really bikes so if i took off a week of vacation just for me that would be a little weird with only 2 weeks a year available.