Hey dougmon,
Welcome to Bike Forums from a 73 y/o Texas road rider.
Take is easy for the first 2000 miles.
Takes that long for your body to get over most of the aches and pains.
Keep it fun and you will ride far.
Ask for help when you have a problem.
Practice standing to pedal, This improves, balance and circulation and allows you to stretch your back and legs.
Started when I was 65 years old. Got in 11,200 miles that first year.
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Fred "The Real Fred"