Long rides on the summer solstice

[camelbackkid]

Anyone else have this tradition? I'd love to hear stories and plans from those who partake or aspire.

I have a route mapped out for this year. 350 miles on 90% paved roads, around 23k (per RWGPS) to 16k (per Garmin) elevation gain. Plan is to finish in 24 hours. It'd be my longest day yet, having previously ridden 250 miles. I've worked hard on fitness the past couple years, especially over this winter, and feel great in that regard. Nutrition and mental fortitude will likely be the fun parts. Any tips?