What do you need to do 50 miles on a bike?

Well, when I was a teenager, I did a little over 50 miles on a BMX bike from Riverside, CA to the beach. We needed plenty to drink, some money for fast food, a lock so that our 50-mile ride back was still there when we were done with said fast food, and a map so we actually knew where we were going. I also had some emergency tools and so forth in case some finicky bike part blew up along the way.
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“Hiking is just walking where it’s okay to pee. Sometimes old people hike by mistake.” — Demitri Martin